Feature: ESPHome widget (#2986)

Co-Authored-By: RoboMagus <68224306+RoboMagus@users.noreply.github.com>

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

src/widgets/esphome/widget.js

@@ -0,0 +1,8 @@
+import genericProxyHandler from "utils/proxy/handlers/generic";
+
+const widget = {
+  api: "{url}/ping",
+  proxyHandler: genericProxyHandler,
+};
+
+export default widget;