Add AdGuard, Bazarr, and Coin Market Cap widgets

- Allow setting HTTP method in widget.js
- Allow sending allow listed query params to proxy

src/widgets/bazarr/widget.js

@@ -0,0 +1,24 @@
+import genericProxyHandler from "utils/proxies/generic";
+import { asJson } from "utils/api-helpers";
+
+const widget = {
+  api: "{url}/api/{endpoint}/wanted?apikey={key}",
+  proxyHandler: genericProxyHandler,
+
+  mappings: {
+    "movies": {
+      endpoint: "movies",
+      map: (data) => ({
+        total: asJson(data).total,
+      }),
+    },
+    "episodes": {
+      endpoint: "episodes",
+      map: (data) => ({
+        total: asJson(data).total,
+      }),
+    },
+  },
+};
+
+export default widget;