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

pkgs/liminix-tools/networking/default.nix

@@ -1,9 +1,9 @@
 {
-  ifwait
-, serviceFns
+  ifwait,
+  serviceFns,
 }:
 {
-  ifup = name : ifname : ''
+  ifup = name: ifname: ''
     . ${serviceFns}
     ${ifwait}/bin/ifwait -v ${ifname} present
     ip link set up dev ${ifname}