[gen_unix_domain_socket] Init generator with templates

[Vladimir Roncevic]

Expected action: implementation of UDS as software component for com-middleware.

• Code generator based on https://github.com/vroncevic/ats_utilities [2.x/3.x]
• Initial templates for client/server operations [Template]
• Consume Linux POSIX

[Vladimir Roncevic]

#Python Server Socket
Should be based on package socket

[Vladimir Roncevic]

#Python Client Socket
Should be based on package socket

[Vladimir Roncevic]

#C Server Socket
Should be based on Linux sys/socket

[Vladimir Roncevic]

#C Client Socket
Should be based on Linux sys/socket

[Vladimir Roncevic]

#Python/Posix Socket Path
Should be provided by argument/include file