Following the steps of https://docs.softwareheritage.org/devel/tutorials/add-new-package.html
- Bootstrap repository in forge (https://forge.softwareheritage.org/source/swh-perfecthash/)
- Add to swh-environment
- Add to jenkins (337d62d - checked via B24255)
- Add to docs via 56cbebe1845258ba353a2f653d3850b3c9219d5b