Prepare release (#599)

update  feature list in readme

Merge branch 'master' into 480-update-screenshots

update desc for f-droid

update screenshots, add changelogs

Co-authored-by: M M Arif <mmarif@swatian.com>
Reviewed-on: https://codeberg.org/gitnex/GitNex/pulls/599
Reviewed-by: 6543 <6543@noreply.codeberg.org>

README.md

@@ -24,12 +24,15 @@ Option 1 - Download the source code, open it in Android Studio and build it ther
 Option 2 - Open terminal(Linux) and cd to the project dir. Run `./gradlew build`.
 
 ## Features
+- Repositories / issues/ org list
 - File and directory browser
+- File viewer
 - Create files
 - Explore repositories
-- Issues list
 - Pull requests
-- Merge pull request
+- Files diff for PRs
+- Notifications
+- Drafts
 - [MANY MORE](https://codeberg.org/gitnex/GitNex/wiki/Features)
 
 ## Contributing