Implement slice 2 redirection shortUrl

Comment user logic. In order to run Slice 1 - Only create and read urlite in memory

Changed entites names

Add comments

Changed file name

Impl basic get and post short urlite logic

Add controllers registration and mapping

established walking skeleton - create all projects and ci

Add repos interfaces

Implemented domain entities

Update readme

config files

Impl domain common, valueObjects and exceptions

Rearranged proj structure

Init project layers structure - designed to match clean architecture and DDD