Authelia Base File and Logo Addons

[emilyy3k]

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• I have read the contributing guideline and understand that I have made the correct modifications

• PR's are done against the develop branch.

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Description:

• Includes a css base file for Authelia.
• Includes Authelia Logo addons that replace the authelia login logo with a logo from an app, for use when logging into an app. These can be dynamically applied using a traefik router and the themepark traefik router. Includes: Bazarr, Jellyfin, Jellyseerr, Komga, lidarr, lldap, mylar3, photoprism, pihole, prowlarr, qbittorrent, radarr, romm, sabnzbd, sonarr, traefik. See screenshots below for examples.
• Expect a follow-up commit to the docs repo with instructions for configuring Authelia's CSP, as well as how to use the logo addons.

Theme Screenshots:

Base/Un-themed Authelia

Aquamarine

Hotline

Hotpink

Dracula

Dark

Organizr

Space Gray

Overseerr

Plex

Nord

Maroon

Logo Addon Examples

Radarr

Sonarr

Benefits of this PR and context:

• Adds themepark compatibility with Authelia, an app that allows very minimal customisation functionality by default.

How Has This Been Tested?

• Throughly tested in as many menus as I could find with a large variety of themes, both built in and community.
• Tested in both Firefox and Chrome.