AndroidManifest: Declare the CATEGORY_APP_MARKET intent in main action

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/src/main/AndroidManifest.xml

@@ -84,6 +84,7 @@
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
+                <category android:name="android.intent.category.APP_MARKET" />
                 <category android:name="android.intent.category.LAUNCHER" />
                 <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
             </intent-filter>