enable external SMTP for hydra (#49)

* external SMTP for hydra

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

* nix-serve sops

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

* add binary cache

* add hydra jobs

* cleanup (#50)

* finish up cleanup branch merge

* switched back to nixpkgs-fmt

* add nixpkgs-fmt to hydrajobs.build

---------

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>
Co-authored-by: Dennis Wuitz <dennish@wuitz.de>
Co-authored-by: Dennis <52411861+DerDennisOP@users.noreply.github.com>

systems/jeeves-jr/configuration.nix

@@ -1,5 +1,4 @@
-{ pkgs, ... }:
-{
+{ pkgs, ... }: {
   time.timeZone = "America/New_York";
   console.keyMap = "us";
   networking.hostId = "1beb3026";
@@ -34,9 +33,7 @@
   };
 
   environment = {
-    systemPackages = with pkgs; [
-      docker-compose
-    ];
+    systemPackages = with pkgs; [ docker-compose ];
 
     etc = {
       # Creates /etc/lynis/custom.prf