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/components/transform-component/find.md

@@ -0,0 +1,33 @@
+# Find
+
+Find a child transform by name.
+
+## Syntax
+
+```cpp
+TransformComponent* Find(const std::string& name) const;
+```
+
+## Parameters
+
+- `name` - The name of the child transform to find.
+
+## Returns
+
+Returns a pointer to the child transform with the specified name, or `nullptr` if not found. Only searches direct children, not the entire hierarchy.
+
+## See Also
+
+- [GetChild](get-child)
+- [GetChildCount](get-child-count)
+
+## Examples
+
+```cpp
+void Example(TransformComponent* transform) {
+    TransformComponent* child = transform->Find("Weapon");
+    if (child) {
+        XC_LOG_INFO("Found child: {}", child->GetName());
+    }
+}
+```