Merge pull request #1 from axios/master

docs(ECOSYSTEM): add axios-api-versioning (axios#2020)

ECOSYSTEM.md

@@ -21,3 +21,4 @@ This is a list of axios related libraries and resources. If you have a suggestio
 * [axios-fetch](https://github.com/lifeomic/axios-fetch) - A WebAPI Fetch implementation backed by an Axios client 
 * [axios-curlirize](https://www.npmjs.com/package/axios-curlirize) - Logs axios requests as curl commands, also adds a property to the response object with the curl command as value.
 * [axios-actions](https://github.com/davestewart/axios-actions) - Bundle endpoints as callable, reusable services
+* [axios-api-versioning](https://weffe.github.io/axios-api-versioning) - Add easy to manage api versioning to axios