Update #10
-Finished the controls UI.
-Improved few main menu's UI.
-Fixed a few issues in Building system - Saving / Loading
-Fixed some syncing issues with items.
-Fixed Loading item's locked state.
-Added new items:
* "Metal door 2"
* "Metal Stairs"
* "Metal bed"
-Updated two items meshes:
* "Workbench"
* "Generator"