Merge pull request sagarkarira#23 from StevenBlack/master

Specify NodeJS 12 as a requirement.

Author: sagarkarira

package.json

@@ -22,7 +22,7 @@
     "test": "npm run lint"
   },
   "engines": {
-    "node": "12.x"
+    "node": ">=12.x"
   },
   "author": "[email protected]",
   "license": "ISC",

readme.md

@@ -61,7 +61,9 @@ curl https://corona-stats.online?format=json
 
 ## Local Command (For coloured output)
 
-### Install
+Note: NodeJS version 12 recommended. You can download it [here](https://nodejs.org/en/download/).
+
+**Install**
 
 ``` sh
 npm install coronavirus-tracker-cli -g