Update README.md

Author: MacKentoch

README.md

@@ -14,6 +14,10 @@ This starter also embeds `JWT token based` `authentication` (check [Route](https
  - *no more struggle in redux with async thank to Apollo Client (you can even get rid of redux thunk or redux saga if you needed theses just for your asyncs. Otherwise keep them since they are nice :smile:)*
 - [redux-devtools-extension](https://github.com/zalmoxisus/redux-devtools-extension#redux-devtools-extension) to make developments a pure pleasure.
 
+<a target='_blank' rel='nofollow' href='https://app.codesponsor.io/link/Mp96tCWH2KdajZuBzqB6jwj8/MacKentoch/react-redux-graphql-apollo-bootstrap-webpack-starter'>
+  <img alt='Sponsor' width='888' height='68' src='https://app.codesponsor.io/embed/Mp96tCWH2KdajZuBzqB6jwj8/MacKentoch/react-redux-graphql-apollo-bootstrap-webpack-starter.svg' />
+</a>
+
 ## Detailed Content
 
 **Front:**