Add basic esper status info support

config/utils.js

@@ -2,3 +2,28 @@
 
 export const rainbow = "rgba(200,120,120,0.5);"
       + "--before-background: linear-gradient(40deg, #FF0000 0%, #00FF00 50%, #0000FF 70%, #FFFF00 100%);";
+
+export const esper_topics = (chip_id: string) => ({
+  [ `esper_${chip_id}_version` ]: {
+    state: `/service/esper/${chip_id}/info`,
+    command: "",
+    defaultValue: "UNKNOWN",
+    values: {},
+    parseState: msg => JSON.parse(msg.toString()).version.esper
+  }
+});
+
+export const esper_statistics = (chip_id: string,
+    prev_ui: Array<ControlUI> = []) => (
+      prev_ui.concat([
+        {
+          type: "section",
+          text: "Funkdose"
+        },
+        {
+          type: "text",
+          text: "Version",
+          topic: `esper_${chip_id}_version`
+        }
+      ])
+    );