Initial pipeline work

shaders/sprite.vert.glsl

@@ -0,0 +1,11 @@
+#version 450
+
+layout(location = 0) in vec2 in_pos;
+layout(location = 1) in vec2 in_uv;
+
+layout(location = 0) out vec2 v_uv;
+
+void main() {
+  v_uv = in_uv;
+  gl_Position = vec4(in_pos, 0.0, 1.0);
+}