pre-release 3.1.0-beta1 (#324)

* i18n

#264

* update i18n

#264

* check quisearch file

* fix authentication

* update acording to static code analisis

* update i18n + house keeping

* bump version to 2.0.0-beta4

* fromatting with black + update i18n

#293

* bump version to 3.0.0

* update dockstrings

#293 housekeeping

* update gitignore to ignore quicksearches.json

* bump version to 3.0.2

#304

Author: SimonSAMPERE