New editor feature and preparing project for next...

Hi,

Level editor

• Added new shaders to render semi-transparent objects when editing floor in the editor.
• Changing between floor editing and regular objects editing.
• Moved the objects bar to the bottom for now

Refactor and project updates

• Worked a bit on project organization and installed new tools
• Fixed some minor issues
• Refactored some code 
• Updated project assets to a new version of Unity

These changes will help to create more updates in the future.