installer: update list of packages available

nix/configurations/installer.nix

@@ -1,9 +1,7 @@
-#
 # Note:
 # I could've import the wifi configuration and use it here, but I haven't
 # figured out an elegant (enough) way to do it while keeping my secrets
 # encrypted.
-#
 let
   sources = import ../../npins;
 in
@@ -37,8 +35,7 @@ in
     overlays = map import [
       ../overlays/agenix.nix
       ../overlays/disko.nix
-      ../overlays/nur.nix
-
+      ../overlays/npins.nix
       ../packages/overlay.nix
     ];
   };
@@ -54,18 +51,20 @@ in
 
   isoImage.squashfsCompression = "zstd -Xcompression-level 3";
 
-  environment.systemPackages = [
-    pkgs.disko
-    pkgs.manage
-    pkgs.git
-    pkgs.pastebinit # for sharing cli output & debugging
-    pkgs.hdparm # to ATA secure wipe disks
-    pkgs.btop
+  environment.systemPackages = with pkgs; [
+    agenix
+    npins
+    disko
+    stow
+    manage
+
+    git
+    pastebinit # for sharing cli output & debugging
+    hdparm # to ATA secure wipe disks
   ];
 
   networking.firewall.allowedTCPPorts = [ 8080 ]; # in case you wanna nc
 
-  programs.tmux.enable = true;
   users.users.nixos.shell = pkgs.fish;
   programs.fish.enable = true;