Separate core codebase into its own module

- Separate UI specific code and resources outside of the core
  application logic
- Allow most of the code to move forward and use KSP for annotation
  processing and isolate rotton code that is stuck with databinding
- Make full UI rewrite more feasible

app/core/src/main/AndroidManifest.xml

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <permission
+        android:name="${applicationId}.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION"
+        android:protectionLevel="signature"
+        tools:node="remove" />
+
+    <uses-permission
+        android:name="${applicationId}.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION"
+        tools:node="remove" />
+
+    <application
+        android:name=".App"
+        android:icon="@drawable/ic_launcher"
+        android:multiArch="true"
+        tools:ignore="UnusedAttribute,GoogleAppIndexingWarning"
+        tools:remove="android:appComponentFactory">
+
+        <receiver
+            android:name=".Receiver"
+            android:exported="false">
+            <intent-filter>
+                <action android:name="android.intent.action.LOCALE_CHANGED" />
+                <action android:name="android.intent.action.UID_REMOVED" />
+                <action android:name="android.intent.action.MY_PACKAGE_REPLACED" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.PACKAGE_REPLACED" />
+                <action android:name="android.intent.action.PACKAGE_FULLY_REMOVED" />
+
+                <data android:scheme="package" />
+            </intent-filter>
+        </receiver>
+
+        <service
+            android:name=".Service"
+            android:exported="false"
+            android:enabled="@bool/enable_fg_service"
+            android:foregroundServiceType="dataSync" />
+
+        <service
+            android:name=".JobService"
+            android:exported="false"
+            android:permission="android.permission.BIND_JOB_SERVICE" />
+
+        <provider
+            android:name=".Provider"
+            android:authorities="${applicationId}.provider"
+            android:directBootAware="true"
+            android:exported="false"
+            android:grantUriPermissions="true" />
+
+        <!-- We don't invalidate Room -->
+        <service
+            android:name="androidx.room.MultiInstanceInvalidationService"
+            tools:node="remove" />
+
+        <!-- We handle initialization ourselves -->
+        <provider
+            android:name="androidx.startup.InitializationProvider"
+            android:authorities="${applicationId}.androidx-startup"
+            tools:node="remove" />
+
+        <!-- We handle profile installation ourselves  -->
+        <receiver
+            android:name="androidx.profileinstaller.ProfileInstallReceiver"
+            tools:node="remove" />
+
+    </application>
+
+</manifest>