Added firebase dependency
Initial authentication service implementation
Added in initial auth service implementation
Corrected button click reference
Ensured that user exists, to avoid NPE
Init first before authenticating
Removed unused artifacts
Added in apple style counter dependency
Updated user count view
Initial users count service implementation
Realtime user count now implemented
Integrated current user count on landing page
Removed uneeded style
Refactored auth service. Init was moved to constructor
Removed unecessary log
Updated main controller to be min safe
User count is shown right away