Continued: - changed some double-quotes to single - added missing type-hints - added missing documentation - fixed indenting a bit
Continued:
- changed some double-quotes to single
- added missing type-hints
- added missing documentation
- fixed indenting a bit

friendica/friendica,annando/friendica,annando/friendica,friendica/friendica,friendica/friendica,annando/friendica,friendica/friendica,friendica/friendica,annando/friendica,annando/friendica