chore(release): bump version, update changelog

Author: nsh07

app/build.gradle.kts

@@ -33,8 +33,8 @@ android {
         applicationId = "org.nsh07.pomodoro"
         minSdk = 27
         targetSdk = 36
-        versionCode = 13
-        versionName = "1.5.0"
+        versionCode = 14
+        versionName = "1.6.0-alpha01"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }

fastlane/metadata/android/en-US/changelogs/14.txt

@@ -0,0 +1,6 @@
+New features:
+- New Always On Display option: click anywhere while on the Timer screen to turn on Always On Display mode, tap again to turn it off
+
+Translators on Weblate helped add support for French and Turkish in this update
+
+The AOD feature is still in development. Suggest features and report bugs at https://github.com/nsh07/tomato/issues