FEATURE: add success message after sending e-mail from contact form

templates/PragueTennisCamp/Resources/assets/css/app.css

@@ -176,6 +176,10 @@ header.top-bar h1 a {
 	margin-top: 4%;
 }
 
+.green {
+	color: #00A000;
+}
+
 #footer {
 	margin-bottom: 50px;
 	width: 98%;

templates/PragueTennisCamp/Resources/views/modules/contactform/_partials/form.blade.php

@@ -1,3 +1,7 @@
+@if(session('success'))
+    <div class="green text-center">E-mail war gesendet.</div>
+@endif
+
 <form action="{{route('email.send', ['formId' => $page->id])}}" method="post">
     {!! csrf_field() !!}
     <div class="column required medium-4">