fix: Add .npmrc file to enforce Node.js and pnpm versions

.npmrc

@@ -0,0 +1,2 @@
+# .npmrc
+engine-strict=true

README.md

@@ -24,6 +24,12 @@ Read more about [learning CSS Grid visually with a generator here](https://css-t
 
 These instructions will get you a copy of the project up and running on your local machine for development
 
+### Prerequisites
+Ensure you have the following versions installed on your local machine:
+
+Node.js: >= 14.0.0 < 17.0.0
+pnpm: 6.x.x
+
 ### Clone the repo
 
 Use ssh
@@ -80,4 +86,4 @@ Your dev server will start and be running at
 
 ## Creators
 
-Layoutit grid is crafted with love by [Leniolabs](https://www.leniolabs.com/services/team-augmentation/?utm_source=layoutit&utm_medium=banner&utm_campaign=leniolabs&utm_content=grid_github) and a growing community of contributors. We build digital experiences with your ideas. [Get in touch!](https://www.leniolabs.com/services/team-augmentation/?utm_source=layoutit&utm_medium=banner&utm_campaign=leniolabs&utm_content=grid_github)
+Layoutit grid is crafted with love by [Leniolabs](https://www.leniolabs.com/services/team-augmentation/?utm_source=layoutit&utm_medium=banner&utm_campaign=leniolabs&utm_content=grid_github) and a growing community of contributors. We build digital experiences with your ideas. [Get in touch!](https://www.leniolabs.com/services/team-augmentation/?utm_source=layoutit&utm_medium=banner&utm_campaign=leniolabs&utm_content=grid_github)

package.json

@@ -13,6 +13,10 @@
     "test:open": "cypress open",
     "test": "cypress run"
   },
+  "engines": {
+    "node": ">=14.0.0 <17.0.0",
+    "pnpm": "6.x.x"
+  },
   "dependencies": {
     "@stackblitz/sdk": "^1.5.3",
     "@vueuse/core": "^6.0.0",
@@ -64,4 +68,4 @@
       "pre-commit": "lint-staged"
     }
   }
-}
+}