Format with nixfmt

We've once again gotten out-of-date with nixfmt. I suggest we add a
pre-commit hook to run this for us and work on setting up CI to check
that each commit complies ASAP

Change-Id: Idd90236b8ac85e1407a035ef00aaee683a48dd66
Reviewed-on: https://git.clicks.codes/c/Chimera/NixFiles/+/397
Tested-by: Skyler Grey <minion@clicks.codes>
Reviewed-by: Samuel Shuert <coded@clicks.codes>
diff --git a/homes/x86_64-linux/minion@greylag/default.nix b/homes/x86_64-linux/minion@greylag/default.nix
index 7e06aea..055f98b 100644
--- a/homes/x86_64-linux/minion@greylag/default.nix
+++ b/homes/x86_64-linux/minion@greylag/default.nix
@@ -78,7 +78,7 @@
 
     editor.neovim.enable = true;
 
-    editor.emacs ={
+    editor.emacs = {
       enable = true;
       defaultEditor = false;
     };