Update charts/apisix/values.yaml with comment for docs

Co-authored-by: Nicolas Gagnière <159892320+ngclinflows@users.noreply.github.com>

Author: manueljishi

charts/apisix/values.yaml

@@ -585,6 +585,7 @@ apisix:
     ip: "0.0.0.0"
     port: 7085
 
+  # -- When configured, APISIX will trust the `X-Forwarded-*` Headers passed in requests from the IP/CIDR in the list.
   trustedAddresses:
     - 127.0.0.1