Update navigation (site-wide)

[writerly03]

• [x] Add in footer w/ links ('report bugs' needs to go to a GitHub issues template; 'about' goes to the user's default studio; for the furthest right link, link to the Earthstar project for now); baca1ad7b8cf1f3df496498a3ed855ade0ae2888
• [x] Add server customization pathway w/ crystal ball emoji 30f173a6c81e7e8cb1599b0205c8bf6807346612
• [x] add Exit server Customization pathway 8b65f814cc0c9cbe379e940b7c31029385da48d8
• [x] Edit left-hand nav menu for Workspace settings page 2c23ea4c2bbdafb18a759a1675fb2d010b12f8a5

[writerly03]

Andi to re-use Hypha issue template

[tripledoublev]

• [x] Update footer with appropriate links 2e3fbd330a6ab119d6d064a040ff11054be08060

1. manual is shared as a studio artefact
2. report bug links to the github new issue (w template)
3. about links to github repo

[luluissaa]

should we create a separate project page for the further most right link? with all the partners listed and credit Canada Council?