General tasklist

[TBS1996]

anything we wanna do, we can use the proper project view later, for now i think this is simpler

• [ ] swipe between pages
• [ ] #112
• [ ] add to play store
• [ ] add to appstore
• [ ] make score comparison page more appealing
• [ ] more details of why conneciton closed (custom enum)
• [ ] #122
• [ ] #113
• [ ] #120
• [ ] add backend tests
• [ ] Share your scores easily
• [ ] better indicator of status (waiting/idle/connected)