Wiki: mark obsolete pages with banners (proposed diff included)

[raphaelhunziker1202-stack]

The wiki core is actively maintained (Home, the guides and the navigation docs were all updated this year), but a handful of pages still present 2016–2022 content as current, without any hint that it is obsolete. The riskiest examples: two complete CC3D setup howtos (F1 support was dropped in INAV 2.0) and a hand-maintained CLI variables list last updated around INAV 5.

I prepared a minimal, reviewable change — a two-line "outdated/obsolete" banner on top of six pages, each pointing at the current source, plus a replacement for launch-mode, which turned out to be an orphaned copy of the wiki sidebar with no launch content at all:

• Howto:-CC3D-flight-controller… (both variants) — obsolete banner, link to the Fixed Wing Guide
• OrangeRX-LRS-RX-and-OMNIBUS-F4 — historical-reference banner
• Making-a-new-Virtualbox-to-make-your-own-INAV — points to Building custom firmware
• iNav-CLI-variables — points to the auto-generated docs/Settings.md
• Supported-boards — points to Target and Sensor support
• launch-mode — orphaned sidebar copy replaced with pointers to Auto Launch (NAV_LAUNCH) and Fixed Wing Autolaunch

Wiki write access is restricted to collaborators (pushing a review branch was rejected), so below is the full diff against the current wiki master (e4ff6e0) for anyone with access to apply. Happy to adjust the wording.

Full diff — 7 files, +14/−46

diff --git a/Howto:-CC3D-flight-controller,-minimOSD,-GPS-and-LTM-telemetry-for-fixed-wing.md b/Howto:-CC3D-flight-controller,-minimOSD,-GPS-and-LTM-telemetry-for-fixed-wing.md
index aa703cb..989323e 100644
--- a/Howto:-CC3D-flight-controller,-minimOSD,-GPS-and-LTM-telemetry-for-fixed-wing.md
+++ b/Howto:-CC3D-flight-controller,-minimOSD,-GPS-and-LTM-telemetry-for-fixed-wing.md
@@ -1,3 +1,5 @@
+> ⚠️ **This guide is obsolete.** It describes the CC3D, an STM32F1 flight controller. Support for F1 boards was dropped in INAV 2.0 (2018) — *"STM32F1 boards support has been dropped. NAZE/CC3D targets are no longer supported."* This page is kept for historical reference only and does not apply to current INAV versions. For up-to-date fixed wing setup, see the [Fixed Wing Guide](Fixed-Wing-Guide).
+
 # HOWTO setup iNAV for fixed wing
 
 ## Index
diff --git a/Howto:-CC3D-flight-controller,-minimOSD-,-telemetry-and-GPS-for-fixed-wing.md b/Howto:-CC3D-flight-controller,-minimOSD-,-telemetry-and-GPS-for-fixed-wing.md
index 05d8fe1..e4d54b0 100644
--- a/Howto:-CC3D-flight-controller,-minimOSD-,-telemetry-and-GPS-for-fixed-wing.md
+++ b/Howto:-CC3D-flight-controller,-minimOSD-,-telemetry-and-GPS-for-fixed-wing.md
@@ -1,3 +1,5 @@
+> ⚠️ **This guide is obsolete.** It describes the CC3D, an STM32F1 flight controller. Support for F1 boards was dropped in INAV 2.0 (2018) — *"STM32F1 boards support has been dropped. NAZE/CC3D targets are no longer supported."* This page is kept for historical reference only and does not apply to current INAV versions. For up-to-date fixed wing setup, see the [Fixed Wing Guide](Fixed-Wing-Guide).
+
 # HOWTO setup iNAV for fixed wing
 
 ## Index
diff --git a/Making-a-new-Virtualbox-to-make-your-own-INAV.md b/Making-a-new-Virtualbox-to-make-your-own-INAV.md
index 014a892..f649171 100644
--- a/Making-a-new-Virtualbox-to-make-your-own-INAV.md
+++ b/Making-a-new-Virtualbox-to-make-your-own-INAV.md
@@ -1,3 +1,5 @@
+> ⚠️ **This guide is obsolete.** It describes a VirtualBox/Anarchy Linux build setup from 2020. For current instructions, see [Building custom firmware](Building-custom-firmware) and the [official build documentation](https://github.com/iNavFlight/inav/tree/master/docs).
+
 [YouTube Video showing the steps below](https://youtu.be/WN0UEmIJLX4)
 
 1. Download and install [VirtualBox](https://www.virtualbox.org/)
diff --git a/OrangeRX-LRS-RX-and-OMNIBUS-F4.md b/OrangeRX-LRS-RX-and-OMNIBUS-F4.md
index d4c234a..1ea31a5 100644
--- a/OrangeRX-LRS-RX-and-OMNIBUS-F4.md
+++ b/OrangeRX-LRS-RX-and-OMNIBUS-F4.md
@@ -1,3 +1,5 @@
+> ⚠️ **This guide is outdated.** It was written in 2018 for the discontinued OrangeRX LRS receivers and has not been updated since; details may not apply to current INAV versions. It is kept for historical reference.
+
 The OrangeRX LRS receiver is one of the more popular 433MHz options on the market.
 It is sold by Hobbyking and has been around for many years.
 
diff --git a/Supported-boards.md b/Supported-boards.md
index 4973346..9273306 100644
--- a/Supported-boards.md
+++ b/Supported-boards.md
@@ -1,3 +1,5 @@
+> ⚠️ **This page is outdated** (last updated in 2022) and does not reflect the current range of supported hardware. For current information, see [Target and Sensor support](Target-and-Sensor-support) and [Boards, Targets and PWM allocations](Boards,-Targets-and-PWM-allocations).
+
 ### Recommended boards
 
 These boards are well tested with INAV and are known to be of good quality and reliability.
diff --git a/iNav-CLI-variables.md b/iNav-CLI-variables.md
index 3e1256b..a61aa3c 100644
--- a/iNav-CLI-variables.md
+++ b/iNav-CLI-variables.md
@@ -1,3 +1,5 @@
+> ⚠️ **This list is outdated** (last updated around INAV 5, 2022). The complete and always current list of CLI settings is auto-generated in the firmware repository: [docs/Settings.md](https://github.com/iNavFlight/inav/blob/master/docs/Settings.md).
+
 iNAV CLI variables related to navigation features  
 
 All iNAV calculations are done in cm, cm/s and cm/s^2.  
diff --git a/launch-mode.md b/launch-mode.md
index 66534f2..f162eb4 100644
--- a/launch-mode.md
+++ b/launch-mode.md
@@ -1,47 +1,3 @@
-# [Home](/iNavFlight/inav/wiki)
+This page was an orphaned copy of the wiki sidebar and contained no information about launch mode.
 
-# Getting Started
-
- - [Getting started with INAV](/iNavFlight/inav/wiki/Getting-started-with-iNav)
- - [Multirotor guide](/iNavFlight/inav/wiki/Multirotor-guide)
- - [Fixed-Wing Guide](/iNavFlight/inav/wiki/Fixed-wing-guide)
- - [YouTube video guides](/iNavFlight/inav/wiki/YouTube-video-guides)
- - [Setting up Failsafe for RTH](/iNavFlight/inav/wiki/Failsafe)
- - [Tested & Suggested Hardware](/iNavFlight/inav/wiki/Welcome-to-INAV,-useful-links-and-products)
- - [Arming is disabled / WPs don't execute](/iNavFlight/inav/wiki/%22Something%22-is-disabled----Reasons)
- - [Sensor auto detection and Hardware Failure detection](/iNavFlight/inav/wiki/Sensor-auto-detect-and-hardware-failure-detection)
- - [Sensor calibration](/iNavFlight/inav/wiki/Sensor-calibration)
- - [GPS and Compass setup](/iNavFlight/inav/wiki/GPS--and-Compass-setup)
-
-# Additional Information
-
- - [INAV Flight Modes](/iNavFlight/inav/wiki/Modes)
- - [INAV Navigation Modes](/iNavFlight/inav/wiki/Navigation-modes)
- - [INAV Return to Home](/iNavFlight/inav/wiki/Navigation-Mode:-Return-to-Home)
- - [INAV Missions / Waypoint flying](/iNavFlight/inav/wiki/iNavFlight-Missions)
- - [INAV CLI variables](/iNavFlight/inav/wiki/iNav-CLI-variables)
- - [Upgrading from an older version](/iNavFlight/inav/wiki/Upgrading-from-an-older-version-of-INAV-to-the-current-version)
- - [INAV Version History](/iNavFlight/inav/wiki/New-features-over-versions-log)
- - [Fixed Wing Tuning for INAV 3.0](/iNavFlight/inav/wiki/Fixed-Wing-Tuning-for-INAV-3.0)
-
-# Additional Links
- - [Antenna Tracking](https://github.com/iNavFlight/inav/wiki/AAT-Automatic-Antenna-Tracker)
- - [Beeping and flashing error codes meaning](/iNavFlight/inav/wiki/Blinkenlights)
- - [Custom mixes for exotic setups](/iNavFlight/inav/wiki/Custom-mixes-for-exotic-setups)
- - [GPS Failsafe and Glitch Protection](/iNavFlight/inav/wiki/GPS-Failsafe-and-Glitch-Protection)
- - [INAV blackbox variables](/iNavFlight/inav/wiki/INAV-blackbox-variables)
- - [INAV MSP frames changelog](/iNavFlight/inav/wiki/INAV-MSP-frames-changelog)
- - [Lightweight Telemetry (LTM)](/iNavFlight/inav/wiki/Lightweight-Telemetry-(LTM))
- - [Waypoint types, usage, examples and MSP messages](/iNavFlight/inav/wiki/MSP-Navigation-Messages)
- - [PID Attenuation and scaling](/iNavFlight/inav/wiki/PID-Attenuation-and-scaling)
- - [Tune INAV PIFF controller for fixedwing](/iNavFlight/inav/wiki/Tune-INAV-PIFF-controller-for-fixedwing)
- - [Pixel OSD FAQs](https://github.com/iNavFlight/inav/wiki/Pixel-OSD-FAQs)
- - [TROUBLESHOOTING](/iNavFlight/inav/wiki/TROUBLESHOOTING)
-
-# For Developers
-
- - [Developer info](/iNavFlight/inav/wiki/Developer-info)
-
-# Vintage area
-
- - [Howto: CC3D flight controller, minimOSD, GPS and LTM telemetry for fixed wing](/iNavFlight/inav/wiki/Howto:-CC3D-flight-controller,-minimOSD,-GPS-and-LTM-telemetry-for-fixed-wing)
\ No newline at end of file
+For fixed wing autolaunch, see [Auto Launch (NAV_LAUNCH)](Auto-Launch-(NAV_LAUNCH)) and [Fixed Wing Autolaunch](Fixed-Wing-Autolaunch).

No existing content is removed except the orphaned sidebar copy; every page stays in place for historical reference.