docs: use short whats new to fit inside 500 character limit

app/src/main/assets/whats-new.txt

@@ -1,17 +1 @@
-Added
-
-- #1256 Add Russian and Chinese Simplified translations. Update other languages.
-- #1282 Add Assist key code as screen off trigger for Bixby button.
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-Bug fixes
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-- #1218, #1251 Key event actions and triggering key maps from an intent were delayed by 1 second on Android 14 due to new broadcast receiver restrictions.
-- #1175 Bypass the do not disturb permission requirement for volume button triggers.
-- #1234 Granting permissions with Shizuku crashes on Android 14.
-- #1249 Crash when opening help page from the home page if no browser app for custom tabs was found.
-- #1250 Random crashes when picking a screenshot for actions.
-- #1227 Deprecate Bluetooth actions on Android 13+ due to new restrictions.
-- #1252 Add another Camera key code as supported for screen off triggers.
-- #1219 Key Mapper notifications could not be enabled on Android 14.
-- #1194 Deprecate closing the status bar on Android 14 due to new restrictions.
-- #1190 Add a 3 second delay after the screenshot action before showing the on-screen message confirming it happened.
+Support for Android 14 and many bug fixes. See the changelog.