Add integrations otlp endpoint

[asopkin]

Summary

Updating Datadog-specific documentation to include our Cloudflare-specific OTLP endpoint. There are 2 changes here:

1. Customers exporting OTLP from cloudflare should use the cloudflare specific endpoint I included here
2. Updating the docs page to include our managed platform specific docs

[cloudflare-docs-bot]

Review

⚠️ 1 warning, 💡 1 suggestion found in commit 77f4346.

👉 Fix in your agent 👈

Fix the following review findings in PR #32823 (https://github.com/cloudflare/cloudflare-docs/pull/32823).

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---

## Code Review

### Suggestions (1)

#### CR-d06bd06d25ef · Ambiguous endpoint placeholder
- **File:** `src/content/docs/workers/observability/exporting-opentelemetry-data/index.mdx` line 36
- **Issue:** The Datadog endpoints use `https://cloudflare.integrations.otlp.{SITE}.datadoghq.com/...`, but `{SITE}` is never defined. This also implies every Datadog site is a `*.datadoghq.com` subdomain, which is not true for EU (`datadoghq.eu`) or GovCloud (`ddog-gov.com`).
- **Fix:** Replace `{SITE}` with a full-hostname placeholder (for example `{DD_SITE}`) and provide examples, or list the supported site hostnames explicitly so users do not build invalid URLs.

---

## Conventions

### Warnings (1)

#### CV-a16ab956e688 · PR title format
- **File:** PR-level finding
- **Issue:** The title "Add integrations otlp endpoint" does not identify the product or documentation area being changed.
- **Fix:** Prefix the title with a product or area tag, e.g. "[Workers] Add integrations OTLP endpoint" or "[Observability] Add integrations OTLP endpoint".

Code Review

This code review is in beta and may not always be helpful — use your judgment.

Suggestions (1)

File

Issue

workers/observability/exporting-opentelemetry-data/index.mdx line 36

Ambiguous endpoint placeholder — The Datadog endpoints use https://cloudflare.integrations.otlp.{SITE}.datadoghq.com/..., but {SITE} is never defined. This also implies every Datadog site is a \*.datadoghq.com subdomain, which is not true for EU (datadoghq.eu) or GovCloud (ddog-gov.com). Fix: Replace {SITE} with a full-hostname placeholder (for example {DD_SITE}) and provide examples, or list the supported site hostnames explicitly so users do not build invalid URLs.

Conventions

Warnings (1)

File	Issue
PR	PR title format — The title "Add integrations otlp endpoint" does not identify the product or documentation area being changed. Fix: Prefix the title with a product or area tag, e.g. "[Workers] Add integrations OTLP endpoint" or "[Observability] Add integrations OTLP endpoint".

Style Guide Review

_{No style-guide issues found.}

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