Add more HTML structure
Add more HTML structure

comes from index.html of Android app

Change-Id: Ib210a7decd4090eb408d18f83a74ecb6897c5f55

wikimedia/mediawiki-services-mobileapps,wikimedia/mediawiki-services-mobileapps,wikimedia/mediawiki-services-mobileapps,wikimedia/mediawiki-services-mobileapps,wikimedia/mediawiki-services-mobileapps,wikimedia/mediawiki-services-mobileapps