beremiz

Extend HMI:JsonTable, create Edit CSV POU, create example, add some doc (#41)

* Extend Jsontable widget, create Edit CSV POU, create example for both

* Add doc for HMI:Image and HMI:JsonTable

* Expand example to include HMI:Image
#State Text Reference;;;;;;;
#Reference Number;Text 1;Text 2;Text 3;Text 4;Text 5;...;Text n