Show page refs and links in PDF docs

docs/conf.py

@@ -192,6 +192,9 @@ latex_documents = [
     (master_doc, f"{project}.tex", "The AlekSIS® Handbook", author, "manual"),
 ]
 
+latex_show_pagerefs = True
+latex_show_urls = "footnote"
+
 # -- Options for manual page output ------------------------------------------
 
 # One entry per manual page. List of tuples