feat: attempt to implement math library

Adds many files, but the next thing is to implement the MeshRegistry properly.

src/shaders/triangle_vert.glsl

@@ -1,7 +1,7 @@
 #version 460
 
-layout(location = 0) in vec2 position;
+layout(location = 0) in vec3 position;
 
 void main() {
-    gl_Position = vec4(position, 0.0, 1.0);
+    gl_Position = vec4(position, 1.0);
 }