Merge pull request #243 from Nick-Tallguy/gh-pages

Added cautionary comment about "Take a task at random" which may present...
Update 0300-12-30-edit-in-detail-osm.md
Update 0300-12-30-edit-in-detail-osm.md

Correction ajout de détails sur la procédure de création d'une nouvelle relation ligne de bus.
Merge pull request #244 from Ptigrouick/patch-1

Update 0300-12-30-edit-in-detail-osm.md
Merge pull request #245 from Ptigrouick/patch-2

Update 0300-12-30-edit-in-detail-osm.md
Added new section, as draft, to beginner section of LearnOSM, dealing with how to map remotely or at a mapathon. Images created & modified to be within size limitations added to appropriate folder