In the game grid only labels. Should be widgets
Adding Buildozer spec file.
Adding some meow meow :3
Predefining the window height and width, because we primarily target portrait mobile devices.
Adding the basic grid with some dummy functionality.
Staying in the boundaries of the grid when projecting position to mathematical index.
Using on_touch_down for now, because on_touch_up is triggered when the game is started.
Merge branch 'ui_dev'