Add post_only API decorator
Save new transportation submission

and create a new transportation if it's really new
New transportation is POSTed to the route index

The previous route submission endpoint is now invalid and broken
Disable panel navigation for now
Fix typo
Rename action to new-transportation
Also reset map's info
Refactor data form's reset
Fix dangling tag
Pass transportation id via URL
Load transportation when opening data form panel
Widen side panel
Disable data submission reset for the moment
Rename license to term agreement

The license is included in the term
Get parentId
Update button
Save updated transportation data
Always reload transportation list when the panel is opened
Show back to transportation list link
Store URL to contributor terms in the settings