Add texts for Google Play and other stores

[andrewtavis]

Terms

• I have searched open and closed issues
• I agree to follow Scribe-Android's Code of Conduct

Issue

We need to write texts for the Google Play Store and other app stores. These texts can mostly come from the same versions in the iOS app.

I'll be working on these now for both Scribe-Android and Conjugate-Android!

[andrewtavis]

Closed by 36f6fee :) CC @angrezichatterbox 👋 We have the basics now and can add the images later 😊