Add Options in settings

Add License and Readme
Fixed color issues
Update About page
Fixed About button and package

app/src/main/AndroidManifest.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools">
+    xmlns:tools="http://schemas.android.com/tools" >
 
     <application
         android:allowBackup="true"
@@ -11,9 +11,9 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.CleverClass"
-        tools:targetApi="31">
+        tools:targetApi="31" >
         <activity
-            android:name=".ui.theme.AboutActivity"
+            android:name=".AboutActivity"
             android:exported="false"
             android:label="@string/title_activity_about"
             android:theme="@style/Theme.CleverClass" />
@@ -31,7 +31,7 @@
             android:name=".MainActivity"
             android:exported="true"
             android:label="@string/app_name"
-            android:theme="@style/Theme.CleverClass">
+            android:theme="@style/Theme.CleverClass" >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />