Virtual socket

[leducp]

Add a TapSocket, a virtual socket that use a shared memory to allow the use of KickCAT in emulated mode without the need for administrator rights.

Other changes:

• Change socket API to pass buffer as void instead of uint8_t (more generic and classical way to send/receive anything)
• Add OS classes required to transfer data from one process to another (IPC + sync mechanisms)
• Reorganize tree so that OS related files are in the OS section, with common header for all OS classes

[github-actions[bot]]

File	Coverage	Lines	Branches
All files	41%	60%	21%	:x:
lib/include/kickcat/Error.h	79%	75%	83%	:white_check_mark:
lib/include/kickcat/Mailbox.h	86%	87%	85%	:white_check_mark:
lib/include/kickcat/protocol.h	88%	88%	0%	:white_check_mark:
lib/include/kickcat/CoE/EsiParser.h	0%	0%	0%	:x:
lib/master/include/kickcat/Bus.h	60%	100%	20%	:x:
lib/master/include/kickcat/DebugHelpers.h	83%	100%	66%	:white_check_mark:
lib/master/include/kickcat/Gateway.h	75%	100%	50%	:white_check_mark:
lib/slave/include/kickcat/AbstractESC.h	0%	0%	0%	:x:
lib/slave/include/kickcat/ESC/EmulatedESC.h	0%	0%	0%	:x:
simulation/network_simulator.cc	0%	0%	0%	:x:

Minimum allowed coverage is 75%

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