feat(renderer): add --no-debug flag to disable OpenGL debug output

include/Cubed/app.hpp

@@ -18,6 +18,7 @@ public:
         int port = 25530;
         std::string ip{"127.0.0.1"};
         std::string player{"Unknown"};
+        bool debug_on = true;
     };
 
     App();

include/Cubed/renderer.hpp

@@ -22,7 +22,7 @@ public:
              const TextureManager& texture_manager, DevPanel& dev_panel);
     ~Renderer();
     void hot_reload();
-    void init();
+    void init(bool debug_on);
     const Shader& get_shader(const std::string& name) const;
     void render();
     void update(float delta_time);