refactor: centralise home-manager configs in system configs

configs/programs/zsh.nix

@@ -1,7 +1,41 @@
-{pkgs, ...}: {
+{
+  pkgs,
+  ...
+}:
+{
   programs.zsh = {
     enable = true;
   };
   users.defaultUserShell = pkgs.zsh;
-  environment.pathsToLink = ["/share/zsh"]; # enables completion
+  environment.pathsToLink = [ "/share/zsh" ]; # enables completion
+  home-manager.users.rafiq = {
+    programs.zsh = {
+      enable = true;
+      enableCompletion = true;
+      enableVteIntegration = true;
+      dirHashes = {
+        repos = "$HOME/GitRepos";
+        dl = "$HOME/Downloads";
+      };
+      initContent = # zsh
+        ''
+          # Bind CTRL+Backspace to delete whole word
+          bindkey '^H' backward-kill-word
+        '';
+      # TODO: Look into whether we need to add the history attribute
+      profileExtra = # bash
+        ''
+                if [ -z "$WAYLAND_DISPLAY" ] && [ "$XDG_VTNR" -eq 1 ]; then
+              dbus-run-session Hyprland
+          fi
+        '';
+      plugins = [
+        {
+          name = "vi-mode";
+          src = pkgs.zsh-vi-mode;
+          file = "share/zsh-vi-mode/zsh-vi-mode.plugin.zsh";
+        }
+      ];
+    };
+  };
 }