title: Google Could Firestore order string field like number
body: <p>i am trying to order a field in Firestore which is a string, but contains numbers. Can i somehow specify the ordering method or customise it?</p>
  
  <p>** Edit 1:</p>
  
  <p>The order i am getting is like this:</p>
  
  <p>1 -> 10 -> 100 -> 101</p>
  
  <p>But i want:</p>
  
  <p>1 -> 2 -> 3 -> 4</p>