Devdocs revision 001
What does this MR do?
Restructured and added content, fixed typos and punctuation, and unified spelling.
How confident are you it won't break things if deployed?
Links to related issues
- added a test, or explain why one is not needed/possible... > No local tests possible.
no unrelated changes > No changes outside the folder
- asked someone for a code review > #foodsharing-dev
- joined #foodsharing-beta channel at https://slackin.yunity.org
- added an entry to CHANGELOG.md (description, merge request link, username(s))