Alphanumeric Callsign For Flights (#1124)

* Alphanumeric Callsign For Flights

PR adds ability to define alphanumeric callsigns to flights, display them and use them during SimBrief OFP generation (if pilot ident as callsign option is not enabled)

Translations for en/es/it/pt-br added.

* Change db table name

* Change db column name, fix rules

* Change db column name

* Another db column name change

* Just another one more

* Last one from anumeric_callsign to callsign

Co-authored-by: Nabeel S <nabeelio@users.noreply.github.com>

resources/views/admin/flights/fields.blade.php

@@ -29,15 +29,22 @@
 
           </div>
 
-          <!-- Route Code Field -->
-          <div class="form-group col-sm-3">
+          <!-- Callsign Field -->
+          <div class="form-group input-group-sm col-sm-2">
+            {{ Form::label('callsign', 'Callsign:') }}
+            {{ Form::text('callsign', null, ['class'=>'form-control', 'placeholder'=>'optional', 'maxlength' => 4]) }}
+            <p class="text-danger">{{ $errors->first('callsign') }}</p>
+          </div>
+
+          <!-- Flight Type Field -->
+          <div class="form-group col-sm-2">
             {{ Form::label('level', 'Flight Type:') }}&nbsp;<span class="required">*</span>
             {{ Form::select('flight_type', $flight_types, null, ['class' => 'form-control select2']) }}
             <p class="text-danger">{{ $errors->first('flight_type') }}</p>
           </div>
 
-          <!-- Route Leg Field -->
-          <div class="form-group col-sm-3">
+          <!-- Flight Time Field -->
+          <div class="form-group col-sm-2">
             {{ Form::label('flight_time', 'Flight Time (hours & minutes)') }}
 
             <div class="input-group input-group-sm mb3">