Remove old buildapp sources and update project files

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: michaelbel

.gitignore

@@ -1,9 +1,7 @@
-*.iml
+.claude
 .gradle
-.idea/*
+.idea
 !.idea/icon.svg
-/local.properties
-.DS_Store
-/build
-/captures
-.externalNativeBuild
+.kotlin
+build
+local.properties

app/.gitignore

@@ -1,36 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" package="org.michaelbel.buildapp">
-
-    <uses-permission android:name="android.permission.INTERNET"/>
+<manifest
+    xmlns:android="http://schemas.android.com/apk/res/android">
 
     <application
-        android:allowBackup="true"
-        android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
-        android:roundIcon="@mipmap/ic_launcher_round"
-        android:supportsRtl="true"
-        android:theme="@style/AppTheme"
-        android:name=".App"
-        tools:ignore="AllowBackup,GoogleAppIndexingWarning">
+        android:icon="@drawable/ic_launcher"
+        android:roundIcon="@drawable/ic_launcher"
+        android:theme="@style/Theme.App.Starting">
 
-        <activity android:name=".ui.MainActivity">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
 
-        <activity android:name=".ui.LoginActivity">
-            <intent-filter>
-                <action android:name="android.intent.action.VIEW"/>
-                <category android:name="android.intent.category.DEFAULT"/>
-                <category android:name="android.intent.category.BROWSABLE"/>
-
-                <!--Authorization callback URL looks like this: buildapp://login-->
-                <data android:host="login" android:scheme="buildapp"/>
-            </intent-filter>
-        </activity>
-
     </application>
 
-</manifest>
+</manifest>