Release procedure

1. Assemble CHANGELOG and determine version number
2. Bump version of
   • package.json
   • manifest.json
3. Run npm i && gulp release
4. Commit and tag changes as vx.x.x
5. git push && git push --tags
6. Create github release and upload build
7. Wait for CI to pass
8. Merge develop into master: git checkout master && git merge develop
9. gulp publish To publish on chrome webstore
10. Submit to AMO: https://addons.mozilla.org/en-US/developers/addon/floccus/versions/submit/
11. Submit to Edge Addons