* gdformat .
* Lint code - Part 1
* Format code - Part 2
* Lint code - Part 2
Trying to fix the max allowed line length errors
* Add normal_map_invert_y to the image .import files
Because of Godot 3.4
* Do not call private methods outside of the script's scope
Lint code - Part 3
* Format code - Part 3
* Fixed more line length exceeded errors - Lint code Part 3
* Export array of licenses - Lint code part 4
* Clean hint_tooltip code from Global
Removes a lot of lines of code
* Create static-checks.yml
* Fix FreeType's license
Instead of having a frame_duration[] array in the Project class. This makes the code much more readable and understandable, using less lines of code and, by avoiding an extra array, we also avoid potential out-of-bound array crashes.
The functionality for the user has not changed, and by testing so far I didn't find any issues.
The Canvas is now single node, instead of having multiple canvases for each frame. This should also be a performance optimization, since there are less canvas nodes, so there are less _input() calls. It should also fix a rare Undo/Redo issue with motion drawing and making lines. Could be unstable, needs more testing.
As a side effect, the guides are now the same for all frames, so this should also close #246.
