docs: Add Component, GameObject, TransformComponent and Scene API documentation

- Add Component class documentation with lifecycle methods
- Add GameObject class documentation with component system
- Add TransformComponent documentation with transform methods
- Add Scene class documentation with GameObject management
- Add SceneManager singleton documentation with scene loading
- Update components.md overview with all component classes
- Update main.md navigation with Scene module

docs/api/scene/scene-manager/unload-scene.md

@@ -0,0 +1,33 @@
+# UnloadScene
+
+Unload a scene.
+
+## Syntax
+
+```cpp
+void UnloadScene(Scene* scene);
+void UnloadScene(const std::string& sceneName);
+```
+
+## Parameters
+
+- `scene` - Pointer to the scene to unload.
+- `sceneName` - Name of the scene to unload.
+
+## Remarks
+
+Removes a scene from the SceneManager. The scene and all its GameObjects will be destroyed.
+
+## See Also
+
+- [CreateScene](create-scene)
+- [LoadScene](load-scene)
+
+## Examples
+
+```cpp
+void Example() {
+    SceneManager& manager = SceneManager::Get();
+    manager.UnloadScene("Level1");
+}
+```