Merge branch 'sayonara-gitlab-wiki' into 'develop'

README.md

docs/admin/backup.md

docs/admin/updating.md

docs/api/admin_api.md

docs/api/differences_in_mastoapi_responses.md

docs/api/pleroma_api.md

docs/clients.md

docs/config/General-tips-for-customizing-Pleroma-FE.md

docs/config/custom_emoji.md

docs/config/hardening.md

docs/config/howto_change_ip_and_port.md

docs/config/howto_mediaproxy.md

docs/config/howto_proxy.md

docs/config/howto_user_recomendation.md

docs/config/i2p.md

docs/config/mrf.md

docs/config/onion_federation.md

docs/config/small_customizations.md

docs/config/static_dir.md

docs/installation/alpine_linux_en.md