add @types/node to devDeps for npm extension

Signed-off-by: Sebastian Malton <sebastian@malton.name>

src/extensions/npm/extensions/package.json

@@ -12,5 +12,8 @@
   "author": {
     "name": "Mirantis, Inc.",
     "email": "info@k8slens.dev"
+  },
+  "devDependencies": {
+    "@types/node": "^14.14.6"
   }
 }

src/extensions/npm/extensions/yarn.lock

@@ -0,0 +1,8 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@types/node@^14.14.6":
+  version "14.14.6"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.6.tgz#146d3da57b3c636cc0d1769396ce1cfa8991147f"
+  integrity sha512-6QlRuqsQ/Ox/aJEQWBEJG7A9+u7oSYl3mem/K8IzxXG/kAGbV1YPD9Bg9Zw3vyxC/YP+zONKwy8hGkSt1jxFMw==