feat: add getMedia

src/userscript/index.ts

@@ -108,6 +108,12 @@ async function handleRequest(request: BridgeRequest) {
       return serialize(result);
     }
 
+    case "getMedia":
+      const media = await WPP.chat
+        .downloadMedia(request.params)
+        .then(WPP.util.blobToBase64);
+      return media;
+
     default:
       throw new Error(`Unknown method: ${(request as any).method}`);
   }