Add nix shell aliases

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/configs/user/console/nix-develop/default.nix

@@ -4,13 +4,17 @@
 }:
 { ... }:
 {
-  home-manager.users.${user}.programs.zsh.initExtra = ''
-    nix-develop() {
-      if [ -z "$1" ]; then
-        echo "Usage: nix-develop <shell>"
-        return 1
-      fi
-      nix develop self#"$1" -c "$SHELL"
-    }
-  '';
+  home-manager.users.${user}.programs.zsh = {
+    shellAliases.nd = "nix-develop";
+
+    initExtra = ''
+      nix-develop() {
+        if [ -z "$1" ]; then
+          echo "Usage: nix-develop <shell>"
+          return 1
+        fi
+        nix develop self#"$1" -c "$SHELL"
+      }
+    '';
+  };
 }