nixfmt-rfc-style

There is nothing in this commit except for the changes made by
nix-shell -p nixfmt-rfc-style --run "nixfmt ."

If this has mucked up your open branches then sorry about that. You
can probably nixfmt them to match before merging

modules/secrets/tang.nix

@@ -1,11 +1,20 @@
 {
-  liminix, lib, json-to-fstree, serviceFns, tangc
+  liminix,
+  lib,
+  json-to-fstree,
+  serviceFns,
+  tangc,
+}:
+{
+  name,
+  path,
+  interval,
 }:
-{ name, path, interval } :
 let
   inherit (liminix.services) longrun;
   inherit (lib) optionalString;
-in longrun {
+in
+longrun {
   inherit name;
   buildInputs = [ json-to-fstree ];
   notification-fd = 10;