Merge branch 'fixing-header' into 'main'

Adding header image and colour

See merge request !3

static/style.css

 body { padding-top: 56px; }
 .left-aligned { margin-left: auto; }
-.bg-dark { background-color: #343a40 !important; }
-.bg-hero { background-color: #45b06cff; }
+.bg-dark { background-color: #730e04 !important; } /* Radboud maroon*/
+.bg-hero { background-color: #ff424bff; }          /* Radboud poppy */
 
 /* CALLOUT */
 .bd-callout { padding:1.25rem; margin-top:1.25rem; margin-bottom:1.25rem; border:1px solid #e9ecef; border-left-width:.25rem; border-radius:.25rem }

wiki/menu.html

@@ -2,7 +2,10 @@
   <div class="container">
 
     <!---- TEAM NAME ---->
-    <a class="navbar-brand" href="#">Radboud-University</a>
+    <a class="navbar-brand" href="{{ url_for('home') }}">
+      <img src="https://static.igem.wiki/teams/5342/images/teamlogo-nb.png" alt="Radoud University Team Logo" style="height:70px;">
+      Radboud-University
+    </a>
 
     <!---- SMALL SCREEN MENU ICON ---->
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">