Add internal IPv6 hosts, change postgresql listen addrs

Change-Id: If37d8d9e2f2f9d99aba69f3720b825f0dfd68b12
Reviewed-on: https://git.clicks.codes/c/Clicks/NixFiles/+/45
Tested-by: Skyler Grey <minion@clicks.codes>
Reviewed-by: Skyler Grey <minion@clicks.codes>
diff --git a/modules/common/postgres.nix b/modules/common/postgres.nix
index c138511..f77346a 100644
--- a/modules/common/postgres.nix
+++ b/modules/common/postgres.nix
@@ -4,6 +4,7 @@
 
     package = pkgs.postgresql;
     settings = {
+      listen_addresses = lib.mkForce "standard";
       log_connections = true;
       logging_collector = true;
       log_disconnections = true;