Andrew

Results 4 issues of Andrew

Added functionality for the "custom args" field to be saved to and loaded from the config.json file.

Adds a gentle-sloped brake as a new track piece. Sprites for this piece are available for the hybrid and single rail coasters, courtesy of X123M3-256. The brakes are only available...

Resolves #340. Created a new wall object that match the texture of the brick wall beta terrain edge. ![image](https://github.com/user-attachments/assets/fce6aa96-dcab-4664-9288-7283c8194e00)

Follow-up to #22383. As before, original sprites created by @X123M3-256 and edited by me. ![image](https://github.com/user-attachments/assets/1459793b-a5cd-46a3-84a7-2a09b44e8687)