development and contributing guidelines mention

mostly just to touch the repo and trigger a build
add archiving sample walkthrough
Merge remote-tracking branch 'origin/modernization' into modernization
removing old paragraph
quick fix in install instructions in archiving sample walkthrough
quick fix to archiving sample walkthrough
participant view chunk of archiving sample walkthrough added
grammar in archiving sample walkthrough
Merge branch 'jeffswartz-v2.2-docs' into modernization