SuperTux/supertux_godot: First steps in Godot that might (at some point) result in getting SuperTux ported over

Tobias Markus 3c2745aec7 Initial commit of godot experiments		7 rokov pred
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cave_cracks.png	3c2745aec7 Initial commit of godot experiments	7 rokov pred
crystal.png	3c2745aec7 Initial commit of godot experiments	7 rokov pred
icecave.png	3c2745aec7 Initial commit of godot experiments	7 rokov pred
land.png	3c2745aec7 Initial commit of godot experiments	7 rokov pred
mountain.png	3c2745aec7 Initial commit of godot experiments	7 rokov pred
thin_ice.png	3c2745aec7 Initial commit of godot experiments	7 rokov pred
woodconcave.png	3c2745aec7 Initial commit of godot experiments	7 rokov pred
woodconvex.png	3c2745aec7 Initial commit of godot experiments	7 rokov pred