Merge pull request 'bekkalokk/gitea: direct non-logged-in users to the explore tab' (!46) from gitea-explore into main

Reviewed-on: Drift/pvv-nixos-config#46
Reviewed-by: Felix Albrigtsen <felixalb@pvv.ntnu.no>
Reviewed-by: Oystein Kristoffer Tveit <oysteikt@pvv.ntnu.no>

hosts/bekkalokk/services/gitea/default.nix

@@ -43,6 +43,7 @@ in {
         SSH_PORT = sshPort;
         START_SSH_SERVER = true;
         START_LFS_SERVER = true;
+        LANDING_PAGE = "explore";
       };
       mailer = {
         ENABLED = true;