feat: add homeassistant integration (#578)

packages/common/src/number.ts

@@ -15,3 +15,7 @@ export const formatNumber = (value: number, decimalPlaces: number) => {
   }
   return value.toFixed(decimalPlaces);
 };
+
+export const randomInt = (min: number, max: number) => {
+  return Math.floor(Math.random() * (max - min + 1) + min);
+};