Draft cached text rendering API.

Draft public API akin to existing Typograffiti API.

Start refactoring to resemble existing Typograffiti structure.

Fix text rendering.

Add higher-level API abstracting away glyphs!

Incoporate explicit shaders, some GPU drivers require this.

Incoporate Harfbuzz layout input.

Init (Transliterated from Gelatin to raw OpenGL with Harfbuzz glyphs).