allow setting of IATA code for airline

resources/views/admin/airlines/table.blade.php

@@ -1,6 +1,7 @@
 <table class="table table-responsive" id="airlines-table">
     <thead>
         <th>Code</th>
+        <th>IATA</th>
         <th>Name</th>
         <th style="text-align: center;">Active</th>
         <th colspan="3" style="text-align: right;">Action</th>
@@ -9,6 +10,7 @@
     @foreach($airlines as $al)
         <tr>
             <td>{!! $al->code !!}</td>
+            <td>{!! $al->iata !!}</td>
             <td>{!! $al->name !!}</td>
             <td style="text-align: center;">
                 <i class="fa fa-{{$al->active == 1?"check":""}}-square-o" aria-hidden="true"