move stuff into nixosModules

nixosModules/globalinstalls.nix

@@ -0,0 +1,23 @@
+{ pkgs, ... }:
+{
+  environment.systemPackages = with pkgs; [
+    ncdu
+    glances
+    lsof
+    dig
+    screen
+    tldr
+    nix-output-monitor
+  ];
+
+  programs = {
+    zsh.enable = true;
+    htop.enable = true;
+    iotop.enable = true;
+    git.enable = true;
+    nano = {
+      enable = true;
+      syntaxHighlight = true;
+    };
+  };
+}