Flipper Zero port of Chrome's running T-rex game

• Added command to move DINO
• Added gravity
• Added lose condition and lose screen
• Added moving background
• Added score system
• Random cactus spawn
• Increase cactus speed with time

• Fix background speed with cactus
• Allow to play again without the need to close the game in the lose screen

The easier way to compile it is to use https://github.com/flipperdevices/flipperzero-ufbt.
Install it with: python3 -m pip install --upgrade ufbt
Then run ufbt update && ufbt in this folder.