Refactor documentation structure and add new specifications

- Updated MSH documentation to reflect changes in material, wear, and texture specifications.
- Introduced new `render.md` file detailing the render pipeline process.
- Removed outdated sections from `runtime-pipeline.md` and redirected to `render.md`.
- Added detailed specifications for `Texm` texture format and `WEAR` wear table.
- Updated navigation in `mkdocs.yml` to align with new documentation structure.

crates/render-demo/build.rs

@@ -0,0 +1,4 @@
+fn main() {
+    #[cfg(windows)]
+    println!("cargo:rustc-link-lib=advapi32");
+}