fix(calibre): add env vars to support subdir reverse proxy

devices/cluster/modules/caddy.nix

@@ -123,11 +123,7 @@ in {
               radarr.reverseProxy = "${nosIP}:7878";
               sabnzbd.reverseProxy = "${nosIP}:8382";
               sonarr.reverseProxy = "${nosIP}:8989";
-
-              calibre = {
-                experimental = true;
-                reverseProxy = "${nosIP}:8580";
-              };
+              calibre.reverseProxy = "${nosIP}:8580";
 
               qbittorent = {
                 subDirName = "qbt";

devices/nos/modules/arion/media/calibre/compose.nix

@@ -12,6 +12,11 @@ in {
         PUID = "1000";
         PGID = "1000";
         TZ = "America/New_York";
+
+        # WebUI vars
+        SUBFOLDER = "/calibre/";
+        TITLE = "CalibreDB";
+        NO_DECOR = "true";
       };
 
       volumes = ["${rwPath}/data-db:/config"];