Add change hash and font
Fix font text size

Add usable images
Simplify demo
Refactor text mesh into a single method
Simplify Logic
Render text with OnGUI
Update notes
Improve demo scene
Fix layout bug not updating every time
Fix crash in editor with invalid sizes
Fix demo
Force text assets
Refactoring to use OnGUI
Refactor to use OnGUI
Remove old code
Add Font and FontColor fields
Add Overlay Manager to change overlays