feat: use Cover Art Archive for albums with MusicBrainz IDs (#27)

manifest.json

@@ -14,7 +14,8 @@
       "requiredHosts": [
         "discord.com",
         "uguu.se",
-        "labs.api.listenbrainz.org"
+        "labs.api.listenbrainz.org",
+        "coverartarchive.org"
       ]
     },
     "websocket": {
@@ -60,6 +61,12 @@
           ],
           "default": "Default"
         },
+        "caaenabled": {
+          "type": "boolean",
+          "title": "Use artwork from Cover Art Archive (for MusicBrainz-tagged music)",
+          "description": "When enabled, attempts to fetch album artwork from the Cover Art Archive using MusicBrainz IDs. Takes priority over other artwork methods.",
+          "default": false
+        },
         "uguuenabled": {
           "type": "boolean",
           "title": "Upload artwork to uguu.se (enable if Navidrome is not publicly accessible)",
@@ -118,6 +125,10 @@
             "format": "radio"
           }
         },
+        {
+          "type": "Control",
+          "scope": "#/properties/caaenabled"
+        },
         {
           "type": "Control",
           "scope": "#/properties/uguuenabled"