Merge branch 'fix-link' into 'develop'

fix link for main page

See merge request R3/howto-cards!216

.ci/generateIndex.py

@@ -197,7 +197,7 @@ for s in sections:
 index += "\n</div>"
 
 ## add link to return to main index
-index += "<br><center><a href='/'>Overview of all HowTo cards</a></center>"
+index += "<br><center><a href='/cards'>Overview of all HowTo cards</a></center>"
 
 # output the index
 #print(index)