Transferred the loading of the arrays for the booking forms into a own separate

method.
Impemented the booking.edit view and controller method.
Fixed the bug in the bookings.index view that only months with cashflow are
listed.

resources/views/bookings/index.blade.php

@@ -25,7 +25,8 @@
         <th>Projekt</th>
     </tr>
     @for ($month = 1; $month <= 12; $month++)
-        @if (isset($bookings[$month]))
+        @if (date('Y') > $year
+             or (date('Y') == $year and date('m') >= $month))
             <tr style='color: red; font-weight: bold'>
                 <td></td>
                 <td></td>
@@ -37,6 +38,8 @@
                 <td></td>
                 <td></td>
             </tr>
+        @endif
+        @if (isset($bookings[$month]))
             @foreach($bookings[$month] as $booking)
                 <tr>
                     <td>
@@ -99,6 +102,9 @@
                     @endforeach
                 @endif
             @endforeach
+        @endif
+        @if (date('Y') > $year
+             or (date('Y') == $year and date('m') >= $month))
             <tr style='color: #000080; font-weight: bold'>
                 <td></td>
                 <td></td>