These are optional utility headers on top of the Sokol headers. Unlike the
'core headers' they are not standalone but depend on other Sokol headers
and sometimes also external libraries.
### What's in here:
- **sokol_imgui.h**: implements a renderer for [Dear ImGui](https://github.com/ocornut/imgui) on top of sokol_gfx.h and sokol_app.h (the latter being optional if you do your own input-forwarding to ImGui), the implementation
can be compiled as C++ or C.
- **sokol_gfx_imgui.h**: a debug-inspection UI for sokol_gfx.h, this hooks into the sokol-gfx API and lets you inspect resource objects and captured API calls
- **sokol_gl.h**: an OpenGL 1.x style immediate-mode rendering API
on top of sokol_gfx.h
- **sokol_fontstash.h**: a renderer for [fontstash.h](https://github.com/memononen/fontstash) on
on top of sokol_gl.h
See the embedded header-documentation for build- and usage-details.
