Add landing 1 copy.

Add try sample activity button - goest to sf.sample (not implemented);

Add create new activity button - goes to form
Font styling and padding for italic rows
WIP sf.sample
Send prompt name id and user name to lobby
Add user from sample to lobby on page loading.
use lobbyId appropriately; use lobbyName
Go to game, no sf.home
Game controller checks the state params for a user object.
Merge branch 'feature/landing-1' into develop