restructure user management

modules/globalinstalls.nix

@@ -1,10 +1,18 @@
 {pkgs, ...}: {
   config = {
-    environment.systemPackages = with pkgs; [
-      pciutils
-      ncdu
-      htop
-      tldr
-    ];
+    environment = {
+      pathsToLink = ["/share/zsh"];
+      systemPackages = with pkgs; [
+        pciutils
+        ncdu
+        tldr
+      ];
+    };
+
+    programs = {
+      git.enable = true;
+      zsh.enable = true;
+      htop.enable = true;
+    };
   };
 }