New rendering / generation merge

Rendering

[x] Write new image tinting function that can handle saturation / lightness
[x] Bring back animation of tiles being destroyed in sequence
[x] Render grid styles to the map using textures
[x] Measure the character and center the letter correctly on game tiles
[x] Center the letter differently (vertically) for destroyed tiles vs healthy tiles
[x] Re theme and re color the highlight rings and such more broadly
[x] Add hover styles to the hand
[x] Remove grass texture from the tiles in the hand
[x] Add swap previews to the board (clicking and dragging) and style the to-be-swapped tiles
[x] Add flashing tiles to the board and hand for tutorial
[x] Add back turn indicator for tiles in hand
[x] Recolor the preview tile when hovering to play