Bugs fixed & Feedback implemented

Bugs fixed:

• GUI elements have been moved in different screen resolutions.
• • Upgrade Menu
• • Booster Symbols
• Counter for destroyed tiles (Areas) has not been reset.
• The game partially runs in the background of the menu before the game starts.

Feedback implemented:

• Less annoying sound settings
• Create ingame menu
• • Restart Level
• • Main Menu
• • Back to Game