Initial version of PICS generator tool (#30243)

* Initial commit of PICS generator script

* Added ability to keep comments and header

* Move PICS generator to tools folder

* Fixes to handle latest XML template and move to console.print

* Fix for networkCommissioningCluster

* Renamed readme file

* Moved readme to markdown

* Updated tool to work with latest JSON file and added some logging

* Updated readme

* Restyle

* Restyle2

* Restyle3

* Rename readme file

* Uppercase readme file

* Added orphan to readme

* Fix misspell

* Adding information about the limitation of the tool

* fix misspell

* Fis restyle

* Restyle2

* restyle3

* Added license to script file