docs: Update Integrations Link (n8n-io#3508)

This PR updates the link to the available nodes following the website relaunch.

Author: that-one-tom

README.md

@@ -12,7 +12,7 @@ n8n is an extendable workflow automation tool. With a [fair-code](http://faircod
 
 ## Available integrations
 
-n8n has 200+ different nodes to automate workflows. The list can be found on: [https://n8n.io/nodes](https://n8n.io/nodes)
+n8n has 200+ different nodes to automate workflows. The list can be found on: [https://n8n.io/integrations](https://n8n.io/integrations)
 
 ## Documentation