New alpha update: Reworked object grabbing system, cables and much more!

Version: ALPHA 211217

Added:
- Grid with game buttons in pause menu

- Version for saves with incompatibility check

Updated:
- Removed unnecessary shadow of USB ports

- Distance from object detail level

- Reduced number of lamps for less unnecessary shadow overlaps

- Reworked player movement

- Reworked physics-based object grabbing system

- Reworked cables

Fixed:
- 1U Server power button texture

- Level of detail distance of equipments

- Equipment could move even when installed in the rack

- Computer Crash Cart where the typed command did not appear

- The "rac list" command crashed the operating system when there was no device connected via USB

- The "help" command does not finish to enter a new command

- Physics of the Computer Crash Cart so that it cannot be dropped with the player's body

- 0.5m and 1.5m cable lengths

- Improved controller support

- Menus for 21:9 screens

- When the two USB connectors of the same cable were connected to the computer crash cart, the operating system crashes on the "rac list" command

- Other minor fixes

Known bugs:

- Cables can break the connection to the connector when disconnected from equipment
Temporary solution: Destroy and spawn a new cable

Alpha access via Ko-Fi: https://ko-fi.com/WebHostSimulator
Discord: https://discord.com/invite/JuyyPbZ