feat(jellyfin): add sso button to login page

machines/bomba/services/nixflix.nix

@@ -39,6 +39,7 @@ in
           MaxAuthenticationFailCount = 0;
           Username = user;
           Password_PBKDF2 = "@ByteArray(8AhaCcVLo4H07+dv5uF7pQ==:m+wRuZuzus0N5mkOGXePQmDZfgTpRZiv2OSKbk1pnOA/QPa/JF4Ai1FwVbyZ1PF9odSOSI1UaRQwDMb3MxOKMg==)";
+          LocalHostAuth = false; # Disable auth because authentik is setup
         };
       };
     };
@@ -115,6 +116,11 @@ in
     jellyfin = {
       enable = true;
       apiKey._secret = config.sops.secrets.jellyfin_api_key.path;
+      branding.loginDisclaimer = ''
+        <a href="/sso/OIDC/Start/authentik">
+          Sign in with Authentik
+        </a>
+      '';
       network = {
         knownProxies = [ "127.0.0.1" ];
         internalHttpPort = jellyfinPort;