Create organisation functionality

locale/en_US/messages.php

@@ -17,6 +17,18 @@ return [
         1 => 'Organisation',
         2 => 'Organisations',
 
+        'CREATE'              => 'Create organisation',
+        'CREATION_SUCCESSFUL' => 'Successfully created organisation <strong>{{name}}</strong>',
         'PAGE_DESCRIPTION'    => 'A listing of the organisations for your site.  Provides management tools for editing and deleting organisations.',
+
+        'NAME' => [
+            1 => 'Organisation name',
+
+            'EXPLAIN'        => 'Please enter a name for the organisation',
+            'IN_USE'         => 'Organisation name <strong>{{name}}</strong> is already in use.',
+        ],
+        'SLUG' => [
+            'IN_USE'         => 'Organisation slug <strong>{{slug}}</strong> is already in use.',
+        ],
     ],
 ];