todo

-------------------------------- FEATURES --------------------------------------













----------------------- What to implement on priority ----------------------------
- check if columnDefinations have duplicate columnIds, make them unique, preferably in AGGrid's way, by appending _1 => [ file store.services.js, function set columnDefinations() ]
- add keyboard navigation 
- add focus and tabIndexes ability
- add ability to use custom renderers and editors
- add virtualization for rows and cols