docs: show hint regarding displayed readme version (#1698)

README.md

@@ -19,6 +19,20 @@
 
 [API Documentation](https://fakerjs.dev/guide/)
 
+---
+
+Please select the version of the documentation you are looking for.
+
+| Version |                         Github                         | Website                   |
+| :-----: | :----------------------------------------------------: | :------------------------ |
+| release | [releases](https://github.com/faker-js/faker/releases) | https://fakerjs.dev/      |
+|   dev   |  [next](https://github.com/faker-js/faker/tree/next)   | https://next.fakerjs.dev/ |
+| v8.x.x  |    [v8](https://github.com/faker-js/faker/tree/v8)     | https://v8.fakerjs.dev/   |
+| v7.x.x  |    [v7](https://github.com/faker-js/faker/tree/v7)     | https://v7.fakerjs.dev/   |
+| v6.x.x  |    [v6](https://github.com/faker-js/faker/tree/v6)     | https://v6.fakerjs.dev/   |
+
+---
+
 ## 🚀 Features
 
 - 💌 Locations - Generate valid looking Addresses, Zip Codes, Street Names, States, and Countries!