Podlite 1.8: MiniABS is now Podlite

Renames the app (label, texts, Audiobookshelf client name, User-Agent, APK). The package name,
preferences and signing key stay, so it installs over MiniABS and keeps its settings.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

res/values/values.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">MiniABS</string>
+    <string name="app_name">Podlite</string>
 
     <!-- Colours taken from the Audiobookshelf icon: gradient #9437FC to #570DCF, waves #BC8AFC -->
     <color name="bg">#13111A</color>