feat: standalone .ly interpreter - parses blocks/wires, executes flow control

Demo/compat_test.c

@@ -76,7 +76,9 @@ static void on_render(Engine* engine) {
     shader_set_matrix(g_shader, ctx, (float*)&proj_t);
     mesh_draw(g_tri, ctx);
 
-    ctx->lpVtbl->OMSetDepthStencilState(ctx, g_no_depth, 0);
+    {
+        ctx->lpVtbl->OMSetDepthStencilState(ctx, g_no_depth, 0);
+    }
 
     draw_quad(ctx, sw - 200, 10, 180, 60, 1, 1, 1, 1);