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/xml/settings.xml

@@ -50,7 +50,7 @@
     <PreferenceCategory android:title="Acerca de">
         <Preference
             android:key="about"
-            android:title="MiniABS 1.5"
+            android:title="Podlite 1.8"
             android:summary="Un pequeno cliente de podcasts de Audiobookshelf para Android 2.2+" />
     </PreferenceCategory>
 </PreferenceScreen>