Add intent filter for demo url (#4)

Author: tokou

android/app/src/main/AndroidManifest.xml

@@ -24,6 +24,13 @@
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
+            <intent-filter android:autoVerify="true">
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="https" />
+                <data android:host="maestro.mobile.dev" />
+            </intent-filter>
         </activity>
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