Created a crate model in glb and obj format to use in the tests, then finished the model test.

14-refactor/src/main.cpp

@@ -209,7 +209,7 @@ Config setup() {
     .shader={"shaders/14-vert.glsl", "shaders/14-frag.glsl"},
     .lightShader={"shaders/14-vert.glsl", "shaders/14-lightsource.frag.glsl"},
     .models={
-      {"assets/popcorn_model_a.glb"}
+      {"assets", "crate.obj"}
     },
   };
 
@@ -226,7 +226,7 @@ void draw_popcorn(Config& config, size_t model_i, size_t model_pos, glm::mat4& p
 
   config.shader.setMat4("model", model);
 
-  config.models[model_i].Draw(config.shader);
+  config.models[model_i].draw(config.shader);
 }
 
 void render(GLFWwindow* window, Config& config) {