By adding the `draco` library as a dependency, `tinygltf` can support
GLB files compressed with the Draco compression algorithm which allows
for drastically reduced file sizes for custom levels (TFL's Crescent Top
GLB for example went from 135 MB to 37 MB).
* fix utf-8 handling around env-vars
* fix file opening errors related to unicode
* add uncaught exception handler in `gk` to ensure something is logged
* gracefully fail if window icon cant be loaded and work with unicode
* linux fix and add changes to vendor file
* git: ignore vs build dir
* cmake: ditch `clang-cl` on windows in favor of actual `clang`
* build: suppress a significant number of warnings
* build: adjust workflows and vendor nasm
* docs: update docs to remove `clang-cl` mentions
* build: fix some copy-paste mistakes in the linux build
* build: remove C++20 compat warnings as that is useful if we want to upgrade