docs(configuration) Added note about having configuration with multiple promises (#2960)

* enh: config with multiple promises

* Add contributor

* Update src/content/configuration/configuration-types.md

Co-Authored-By: anshumanv <[email protected]>

* update

* update

* Update src/content/configuration/configuration-types.md

Co-Authored-By: anshumanv <[email protected]>

Author: anshumanv

src/content/configuration/configuration-types.md

@@ -10,6 +10,7 @@ contributors:
   - byzyk
   - EugeneHlushko
   - dhurlburtusa
+  - anshumanv
 ---
 
 Besides exporting a single config object, there are a few more ways that cover other needs as well.
@@ -46,6 +47,8 @@ One option is to export a function from your webpack config instead of exporting
 
 webpack will run the function exported by the configuration file and wait for a Promise to be returned. Handy when you need to asynchronously load configuration variables.
 
+T> It is possible to export multiple promises by wrapping them into `Promise.all([/* Your promises */]).`
+
 ```js
 module.exports = () => {
   return new Promise((resolve, reject) => {