title: Realm database, add a arraylist of objects as a column for a class
body: <p>I worked with migration so far, using the example from Realm. 
  And for adding a simple column I would do something like:</p>
  
  <pre><code>Table personTable = realm.getTable(Trip.class);
  long vehicleIndex = personTable.addColumn(ColumnType.STRING, "vehicle");
  </code></pre>
  
  <p>BUT now I need to add an arraylist like this one to the object:</p>
  
  <pre><code> private ArrayList&lt;StopInfo&gt; filteredLocations = new ArrayList&lt;&gt;();
  </code></pre>
  
  <p>How can I rezolve this migration?</p>