add build system, vendor deps, init stuff

src/renderer/renderer.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+struct Renderer;
+
+struct RendererDesc {
+    void    *window_handle = nullptr;
+    int32_t  width         = 1280;
+    int32_t  height        = 720;
+    int32_t  frame_count   = 2;
+};
+
+Renderer *renderer_create(RendererDesc *desc);
+void      renderer_destroy(Renderer *renderer);
+bool      renderer_begin_frame(Renderer *renderer);
+void      renderer_end_frame(Renderer *renderer);
+void      renderer_resize(Renderer *renderer, int32_t width, int32_t height);