Add some of the missing API specs to the spec host

Added:

• legacy docs (from api.eclipse.org-docs repo)
• profile API
• Git ECA
• OpenVSX
• Committer Paperwork

requested review from @cguindon and @zacharysabourin

Deploy Preview for webdev.eclipse.org-spec-host is ready [ 6 min 5 sec]

Inspect the build logs

Test locally docker run -it --rm -p 18181:8080 docker.io/eclipsefdn/webdev-eclipse-org-spec-host:mr-2--e660c69-b1 and open to http://localhost:18181

Browse the preview: https://preview-2--webdev-eclipse-org-spec-host.eclipsecontent.org/docs/api

approved this merge request

mentioned in commit 89f1b5e3

merged