[x] Add a page to describe the grid indicator output
[x] Update scheme indicator grids removing the output indic (just say "output indic") and add a link to the grid_indicator table in the wiki (add the list of all grid indicators possible)
[x] Update the tutorial page: check all informations but more specifically
BDTopo V2 AND V3 now (just update screenshots and sentences)
remove the groovy pages since we will share examples of specific scripts in the future
[x] Update the figure (and bullet points) of the coding implementation page (add BDTopo V3)
Several updates need to be done in the wiki: