[FIX] rework TS
[FEATURE] add very basic be module for posts
[FIX] improve models and repo naming, add pending comment count to post be module
[FIX] improve models and repository classes
[FEATURE] add BE base controller, add BE comment  controller
[BUGFIX] add own BE viewHelpers
[FIX] add and improve existing BE templates and partials
[BUGFIX] add BE module localization
[FIX] update readme