Change AndroidManifest in example app and how to for .ulpt file opening

[FrenchTacoDev]

Revise Intent filter section to:

            <intent-filter android:icon="@mipmap/ic_launcher"
                android:label="ULPT-Example"
                android:priority="1">
                <action android:name="android.intent.action.VIEW"/>
                <category android:name="android.intent.category.DEFAULT"/>
                <category android:name="android.intent.category.BROWSABLE"/>
                <data android:scheme="content" />
                <data android:scheme="http" />
                <data android:scheme="file" />
                <data android:host="*"/>
                <data android:mimeType="*/*" />
                <data android:pathPattern=".*\\.ulpt" />
            </intent-filter>