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/get-scene.md

@@ -0,0 +1,33 @@
+# GetScene
+
+Get a scene by name.
+
+## Syntax
+
+```cpp
+Scene* GetScene(const std::string& name) const;
+```
+
+## Parameters
+
+- `name` - The name of the scene.
+
+## Returns
+
+Returns a pointer to the scene with the specified name, or `nullptr` if not found.
+
+## See Also
+
+- [GetAllScenes](get-all-scenes)
+
+## Examples
+
+```cpp
+void Example() {
+    SceneManager& manager = SceneManager::Get();
+    Scene* scene = manager.GetScene("Level1");
+    if (scene) {
+        XC_LOG_INFO("Found scene: {}", scene->GetName());
+    }
+}
+```