* Added "Migrate" to the title because these steps can also be used to migrate the instance to another server
* Added an optional step to reinstall pleroma (esp. for migrating servers)
* Currently the steps threw an error 'could not execute query: ERROR: function "activity_visibility already exists with the same argument types'
* I added a new step to drop and recreate an empty pleroma-database
* I played around with the `-c` and `-C` options of pg_restore, but dropping and recreating seemd to be the only way I got it working
* This was tested on Debian Stretch, psql (PostgreSQL) 9.6.15
Large part of it was no longer true (i.e none of the changes need
recompilation anymore and you can't brick an instance by changing them,
it's not necessary to manually truncate the db manually anymore)
* Put url's between angle brackets. docs-develop doesn't list the url's as links, I assume these will fix that (but don't know if I can check)
* Added a third space before the "sub"bulletpoints. docs-develop doesn't show them as subpoints with only two spaces. I hope three will fix it (but don't know if I can check)
* Added a newline above the bulletpoints because otherwise they are broken on docs-develop
* Remove the 😄 thingies because neither of the docs (docs.pleroma.social and docs-develop.social) show them as emojis
* Add a link to fediverse.network
* Update to add new stuff and fix things that aren't correct (any more)
* initdb command now requires explicit -U and -D flags
* acme-client now requires version v02 API endpoint
* Added step to add admin user, per other installation guides
* Corrected setup_db.psql path
Ilja