Modified navbar with login, logout,..

app/views/layouts/_header.html.erb

@@ -0,0 +1,29 @@
+<header class="container flex items-center justify-between px-4 py-6 mx-auto border-b-2 border-gray-300">
+  <a href="/" class="text-4xl font-bold text-hsrm-gray">Plottservice Fachbereich AB</a>
+  <% if user_signed_in? && current_user&.admin? || current_user&.operator? %>
+    <nav>
+      <ul class="flex justify-center font-semibold items-color">
+        <li class="relative">
+          <button class="px-4 py-2 cursor-default hover:text-hsrm-red">
+            Admin
+          </button>
+        </li>
+        <li class="relative">
+          <button class="px-4 py-2 cursor-default hover:text-hsrm-red">
+            <%= link_to 'Operator', operator_jobs_path  %>
+          </button>
+        </li>
+      </ul>
+    </nav>
+  <% end %>
+  <nav>
+    <ul class="flex items-center">
+      <% if user_signed_in? %>
+        <li><%= current_user.email %></li>
+        <li><%= button_to 'Abmelden', Current.session, method: :delete, class: "btn btn-primary" %></li>
+      <% else %>
+        <li><%= link_to 'Anmelden', sign_in_path, class: "btn btn-primary" %></li>
+      <% end %>
+    </ul>
+  </nav>
+</header>