Don't make it impossible to use the build of the package unsuported node versions

Author: bidoubiwa

CONTRIBUTING.md

@@ -26,6 +26,13 @@ First of all, thank you for contributing to MeiliSearch! The goal of this docume
 
 ## Development Workflow
 
+### Requirements <!-- omit in TOC -->
+
+To run this project, you will need:
+
+- Node.js >= v12 and node < 15
+- Yarn
+
 ### Setup <!-- omit in TOC -->
 
 ```bash

package.json

@@ -13,9 +13,6 @@
   "dependencies": {
     "docs-searchbar.js": "^1.1.11"
   },
-  "engines": {
-    "node": ">=12 <15"
-  },
   "resolutions": {
     "yargs-parser": "^13.1.2"
   },