Bootstrap v5 Migration, Style Cleanups, Formular-Umgestaltung, Layout-Verbesserungen (schließt #222)

layouts/author/list.html

@@ -18,7 +18,7 @@
                 <a href="{{ .Permalink }}" class="h4 mb-3 d-block">{{ .Title }}</a>
                 <p class="mb-0">{{ .Summary | truncate 100 }}</p>
               </div>
-              <div class="d-md-table-cell text-right pr-0 pr-md-4" data-pagefind-ignore>
+              <div class="d-md-table-cell text-end pe-0 pe-md-4" data-pagefind-ignore>
                 <a href="{{ .Permalink }}" class="btn btn-primary">{{ i18n "read_more"}}</a>
               </div>
             </div>

layouts/author/single.html

@@ -12,7 +12,7 @@
 			  <img class="rounded-circle img-fluid mb-4" src="https://www.gravatar.com/avatar/{{ md5 .Params.email }}?s=128&pg&d=identicon">
 			{{ end }}
 			<figcaption>
-			  <h4 class="font-weight-bold">{{ .Title }}</h4>
+			  <h4 class="fw-bold">{{ .Title }}</h4>
 			</figcaption>
 		  </figure>
 		  <hr>