[nidaros] Add Postgres config

hosts/nidaros/postgres.nix

@@ -0,0 +1,13 @@
+{ pkgs, ... }:
+
+{
+  services.postgresql = {
+    enable = true;
+    authentication = pkgs.lib.mkOverride 10 ''
+      #type  database  DBuser  url            auth-method
+      local  all       all                    trust
+      # ipv4
+      host   all       all     127.0.0.1/32   trust
+    '';
+  };
+}