Update README.md

chore: add the emoji key reference with an url

README.md

@@ -40,7 +40,7 @@ See [Vue Configuration Reference](https://cli.vuejs.org/config/).
 
 ## Contributors ✨
 
-These are the people involved in the project:
+These are the people involved in the project.  Find the meaning of the emoji keys [here](https://allcontributors.org/docs/en/emoji-key).
 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
 [![All Contributors](https://img.shields.io/badge/all_contributors-3-orange.svg?style=flat-square)](#contributors-)