title: Add commas or point every 3 digits using kotlin
body: <p>I want to add commas or point every 3 digit in EditText input.</p>
  <p>Example :</p>
  <ul>
  <li>input : 1000. Output : 1.000</li>
  <li>input : 11000. Output : 11.000</li>
  </ul>