Update available connections overview (#174)

* update available connections overview page

* remove pushover

* add attio to curated list

* don't lint available connections page

* Update agents/available-connections.mdx

Co-authored-by: Copilot <[email protected]>

* Update agents/available-connections.mdx

Co-authored-by: Copilot <[email protected]>

* fix copilots mistake

---------

Co-authored-by: Copilot <[email protected]>

Author: johnymontana

.trunk/trunk.yaml

@@ -37,6 +37,7 @@ lint:
     - linters: [ALL]
       paths:
         - styles
+        - agents/available-connections.mdx
     - linters: [checkov]
       paths:
         - docs.json