add wiki link

pug/pages/index.pug

@@ -13,8 +13,11 @@ block content
             p
                 |Join the conversation at our 
                 a(href='https://matrix.to/#/#fsci:matrix.org', target='__blank') matrix chat room
-                |  or collaborate with us on our 
+            p
+                |  Collaborate with us on our 
                 a(href='https://www.loomio.org/g/esPoQ4S0/free-software-community-of-india-fsci-', target='__blank')  loomio group
+                | or 
+                a(href='https://wiki.fsci.org.in', target='__blank') wiki
                 |.
             p
                 |If you need a subdomain or want to list your community in the map please