add policies index

home.md

@@ -111,6 +111,17 @@ We also keep our minutes here.
  * [monthly-report](meeting/monthly-report)
  * [template](meeting/template)
 
+## policies
+
+ * [tpa-rfc-1-policy](tpa-rfc-1-policy)
+ * [tpa-rfc-2-support](tpa-rfc-2-support)
+ * [tpa-rfc-3-tools](tpa-rfc-3-tools)
+ * [tpa-rfc-4-prometheus-disk](tpa-rfc-4-prometheus-disk)
+ * [tpa-rfc-5-gitlab](tpa-rfc-5-gitlab)
+
+To add a new policy, create the page using the [template](template)
+and add it to the above list.
+
 ## other, non TSA stuff
 
 * [service list](https://gitlab.torproject.org/legacy/trac/-/wikis/org/operations/Infrastructure)