feat: arg expansions working, lez go ma nigga

parts/config/devshells.nix

@@ -21,6 +21,13 @@
           elm-review
           elm-test
           ;
+
+        inherit
+          (pkgs.nodePackages)
+          "@commitlint/config-conventional"
+          npm
+          typescript-language-server
+          ;
       };
     };
   };