vlib/dox: vector FAQ (answered by mmetz)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@55439 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/vector/vectorlib.dox

@@ -4,13 +4,14 @@ by GRASS Development Team (http://grass.osgeo.org)
 
 \tableofcontents
 
-\par Related
+\par Related pages
 - \subpage vlibDescription
 - \subpage vlibFormat
 - \subpage vlibTopology
 - \subpage vlibIndices
 - \subpage vlibAscii
 - \subpage vlibTin
+- \subpage vlibFAQ
 
 \par Data providers for external formats
 - \subpage vlibOgr