changelog, add historic data from Releases page.

app/CHANGELOG.md

@@ -1,5 +1,7 @@
 # Changelog
 
+Update history of this app.
+
 ## 1.1.2
 
 **More Fixes**
@@ -9,7 +11,18 @@
 
 ## 1.1.0
 
-Fixed Icon
+**Fix App Icon**
+
+- Fix app icon for some versions of Android.
+- Update to the latest versions of internal plugins so that app can be compiled successfully.
+- Now targets Android SDK 37.
 
 ## 1.1.0
 
+**Update Android Target; Release Old Commits**
+
+- Update to SDK 36.
+- AI fixes and UI improvements.
+- Correct download URL.
+
+Note that this release uses a new key due to the old one not existing in the keystore.