Edits base on Team Black feedback

What do these changes do?

Formats documents so that the sidebar shows clickable links for items with subsections Removes all mention of Blackfynn and instead use Pennsieve

[x] I think the documentation is well written and up to date
[ ] Do NOTE have very large media files (e.g. photos, videos, etc)
[x] My spell-checker passes
[ ] If you write a new section, i take ownership adding my user in .github/CODEOWNERS