[SeasonOfDocs] Introducing new training into QGIS docs

[matteo]

Hi Cameron,

> Where would Ori start looking if he were to add material into QGIS docs?
> 
> Do we have a process for vetting new proposed material? (This might be
> something that we should be considering here in Season of Docs). Reasons
> why we should consider this:
> 
> * We should think about making it easy for users to find the right
> material for them.
> 
> * We should aim to apply a certain level of quality for material
> 
> * We should have a maintenance plan. Eg: Material will only be accepted
> if we expect the material is going to be maintained and updated. We can
> draw from OSGeo incubation process for tips. Also OSGeoLive project
> acceptance criteria [2]
> 
> [2] https://trac.osgeo.org/osgeolive/wiki/Projects/How_to_apply

should I maybe add a section to the wiki with the links to the QGIS
Training Manual? Because the best a new comer can do is having a look at
the existing documentation, guidelines, etc to know how to contribute

Cheers

Matteo