Added number util function for getRandomInt

• Added:
- number util function for getRandomInt

app/javascript/gabsocial/utils/numbers.js

@@ -16,3 +16,9 @@ export const shortNumberFormat = (number) => {
     </Fragment>
   )
 }
+
+export const getRandomInt = (min, max) => {
+  min = Math.ceil(min)
+  max = Math.floor(max)
+  return Math.floor(Math.random() * (max - min + 1)) + min
+}