Add audiobookshelf widget

src/widgets/audiobookshelf/widget.js

@@ -0,0 +1,14 @@
+import audiobookshelfProxyHandler from "./proxy";
+
+const widget = {
+  api: "{url}/api/{endpoint}",
+  proxyHandler: audiobookshelfProxyHandler,
+
+  mappings: {
+    libraries: {
+      endpoint: "libraries",
+    },
+  },
+};
+
+export default widget;