Add missing image alt and label text

Author: meldra

content/create.md

@@ -7,5 +7,5 @@ Need to generate a CodeMeta compliant metadata file? Try out the [CodeMeta Gener
 
 {{< rawhtml >}}
   <a href="https://www.softwareheritage.org">
-  <img src="/img/swh-logo.png" style="height: 50px;"/> Software Heritage</a>
+  <img alt="Software Heritage logo" src="/img/swh-logo.png" style="height: 50px;"/> Software Heritage</a>
 {{< /rawhtml >}}

themes/CodeMeta-Pyramids/layouts/partials/footer.html

@@ -36,7 +36,7 @@
       </ul>
     </nav>
 	  <div class="copyright pull-right">
-	    <img src="{{"img/cc-by.svg" | relURL }}"/>
+	    <img aria-label="CC-By license badge" src="{{"img/cc-by.svg" | relURL }}" alt="Licensed CC-BY"/>
 	  </div>
   </div>
 </footer>

themes/CodeMeta-Pyramids/layouts/partials/list.html

@@ -17,7 +17,7 @@
     <div class="col-11">
     {{ range .Paginator.Pages }}
     <div class="article">
-      <h2><a href="{{ .RelPermalink }}">{{if .Params.image }} <img src="{{ .Params.image }}" height="50px"/> {{ end }}{{ .Title }}</a></h2>
+      <h2><a href="{{ .RelPermalink }}">{{if .Params.image }} <img alt="{{ substr .Params.image 5 -4 }} logo" src="{{ .Params.image }}" height="50px"/> {{ end }}{{ .Title }}</a></h2>
     </div>
     {{ end }}
     </div>
@@ -38,4 +38,4 @@ <h2><a href="{{ .RelPermalink }}">{{if .Params.image }} <img src="{{ .Params.ima
 {{ end }}
 
   <br />  
-  </div>
+  </div>