Keyword v1.1

This update comes with mostly UI updates + some small tutorial tweaks

• Hid background of buttons (only text is visible)
• Hid panel background for level complete screen
• Removed key icons in menus
• Added buttons to level complete screen
• Added restart option to level complete screen
• Hid quit button in web build
• Added skip tutorial button

Hopefully no bugs pop up. Thanks for following my game :)