* [BUGFIX] Static Session Expiration Key
* keys for session expiration are random for each instance of Authelia
* this is caused by upstream setting it to a random value
* using a temporary bugfix fork of github.com/fasthttp/session to resolve locally
* add some misc doc additions
* [FEATURE] Bump to fasthttp/session/v2 to support redis unix socket.
* Fix lint issues.
* Remove v1 import and fix double import.
* [DOCS] Document use of redis unix socket.
Co-authored-by: Amir Zarrinkafsh <nightah@me.com>