Moving docs to tootsuite/documentation (#1550)

README.md

docs/Contributing-to-Mastodon/Sponsors.md

docs/Contributing-to-Mastodon/Translating.md

docs/Extensions.md

docs/README.md

docs/Running-Mastodon/Administration-guide.md

docs/Running-Mastodon/Development-guide.md

docs/Running-Mastodon/Heroku-guide.md

docs/Running-Mastodon/Production-guide.md

docs/Running-Mastodon/Scalingo-guide.md

docs/Running-Mastodon/Tuning.md

docs/Running-Mastodon/Vagrant-guide.md

docs/Specs-and-RFCs-used.md

docs/Using-Mastodon/2FA.md

docs/Using-Mastodon/Apps.md

docs/Using-Mastodon/FAQ.md

docs/Using-Mastodon/List-of-Mastodon-instances.md

docs/Using-Mastodon/User-guide.md

docs/Using-Mastodon/screenshots/2fa/disable.png

docs/Using-Mastodon/screenshots/2fa/enable.png