Panel Manager v0.0.12

Features:

1. Panel state OPENED/CLOSED
2. Controller.OnLoad/OnUnload implement
3. Update API for Manager
4. Minor optimizations for reflections
5. Reflex implementation

And more...

v0.0.4

Changelog:

• create external addressables factory
• create release for controller and panel
• update logic panel manger for factory creating (factory split: panel && controller)
• add disposable method for controllers
• minor refactored
• create example: demo scene for panel manager