add connectivity references

config.toml

@@ -33,5 +33,10 @@ name = "<i class='fab fa-discourse'></i> Discussion Forums"
 url = "https://discuss.libp2p.io"
 weight = 4
 
+[[menu.shortcuts]]
+name = "<i class='fab fa-discourse'></i> Connectivity"
+url = "https://connectivity.libp2p.io"
+weight = 5
+
 [markup.goldmark.renderer]
   unsafe = true # Allow HTML in md files

content/reference/connectivity.md

@@ -0,0 +1,11 @@
+---
+title: "Connectivity"
+weight: 2
+pre: '<i class="fas fa-fw fa-book"></i> <b> </b>'
+chapter: true
+summary: libp2p enables universal connectivity between nodes across different network positions by supporting a wide range of transport protocols.
+---
+
+# Connectivity in libp2p
+
+Check out the [connectivity site](https://connectivity.libp2p.io/) for types of connectivity in libp2p.