Bulk delete of Game Kit Controller content: removes many demo models, animations, textures, materials, prefabs, particle/terrain assets and a large set of inventory capture images. This is a cleanup to remove third-party/demo art and large binary assets from the repository (no code changes).
Add a full Unity project scaffold: Input System actions (.inputactions + meta), SampleScene and scene meta, URP render pipeline and profile assets, TutorialInfo (scripts/icons), a Readme LFS pointer, ProjectSettings (audio, graphics, input, quality, XR, etc.), and Packages/manifest.json. Sets up default player and UI input mappings, rendering settings, and editor/project configuration for the project.
