Textures almost working, fixed up the mesher being a dumbass

src/main/resources/assets/zenith/shaders/lod/gl46/quads.frag

@@ -1,8 +1,9 @@
 #version 460 core
-layout(location = 0) in flat vec4 colour;
+layout(binding = 0) uniform sampler2D blockModelAtlas;
+layout(location = 0) in vec2 uv;
 layout(location = 0) out vec4 outColour;
 void main() {
-    //TODO: randomly discard the fragment with respect to the alpha value
+    vec2 uv = mod(uv, vec2(1));
 
-    outColour = colour;
+    outColour = texture(blockModelAtlas, uv);
 }