Lots of work I see here. The motion of the player is a bit slow, but otherwise is a nice start for a "maze" game of some sort. I have taken the source code and created a CMakeLists.txt file (with the aid of AI, I do not have time otherwise to review all entries), that will generate the build folder to compile the project. In theory multiplatform, but I have only tested it in Linux.
Also, the CMakeLists.txt downloads raylib 6 and grabs the imgui repos on a specific tag and compiles everything for the platform in which the project is being compiled. I f you are interested I could give you the CMakeLists.txt file but I do not know how. You let me know.