Flappy Birds

# What do we want to do?
Recreate a Flappy birds like type of game. there is only 1 input to go up. The player must match a certain height to be able to continue the game.

# DOD:
- [ ] Only 1 input o impulse up.
- [ ] Some obstacles on the level and a finish line.

BONUS:
- [ ] Instead of being predifined levels, the obstacles are autogenerated on gameplay.
- [ ] Instead of a finish line, there will be acounter that goes up according to the number of obscales done.

No files, tests, or entry points are named, so first inspect the GodotLab project structure and identify where gameplay scenes and scripts are defined. Done means a playable Flappy Birds-like game with one upward input, obstacles, and a finish line; autogenerated obstacles and a counter are listed as bonuses.

Written by the indexing model from the issue text.