enable predictive back gesture feature and try to port monochrome icon

app/src/forkRelease/res/drawable/ic_launcher_monochrome.xml

@@ -0,0 +1,22 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+  <path
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+      android:strokeLineJoin="miter"
+      android:fillColor="#6d6d6d"/>
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+      android:strokeLineJoin="miter"
+      android:fillColor="#055493"/>
+  <path
+      android:pathData="m-2211.74,-4248.24v0,0 0,0 0,0 0,0 0m0,43.56z"
+      android:strokeLineJoin="miter"
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+  <path
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+</vector>

app/src/main/AndroidManifest.xml

@@ -43,6 +43,7 @@
         android:supportsRtl="true"
         android:theme="@style/NormalTheme"
         android:usesCleartextTraffic="true"
+        android:enableOnBackInvokedCallback="true"
         tools:ignore="UnusedAttribute">
 
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