fix: Disable anchors in this SPA

in order to avoid triggering page-scrolling to said anchor upon htmx reloads
which happen upon each form interaction.

app/templates/index.html

@@ -58,7 +58,7 @@
                         <p class="intro-text">
                             Förderverein freier Netzwerke im Norden.
                         </p>
-                        <a href="#membership" class="btn btn-circle page-scroll">
+                        <a href="#membership" class="btn btn-circle page-scroll nohref">
                             <i class="fa fa-angle-double-down animated"></i>
                         </a>
                     </div>
@@ -79,7 +79,7 @@
             >
                 <i class="fa fa-bars"></i>
             </button>
-            <a class="navbar-brand page-scroll" href="#page-top">
+            <a class="navbar-brand page-scroll nohref" href="#page-top">
                 <img src="https://fnorden.net/img/logo_mini.png" />
                 <span class="light">F</span>Norden e.V.
             </a>
@@ -100,7 +100,7 @@
                         >
                     </li>
                     <li class="nav-item">
-                        <a class="page-scroll nav-link" href="#membership"
+                        <a class="page-scroll nav-link nohref" href="#membership"
                             >Mitgliedsantrag</a
                         >
                     </li>