docs: link to swagger2openapi converter

README.md

@@ -1,7 +1,7 @@
 # OpenAPI viewer component for VueJS
 
 This [Vue.js](https://vuejs.org/) component is designed to easily browse and test a REST API described
-with the [OpenAPI Specification](https://github.com/OAI/OpenAPI-Specification) (formerly known as Swagger Specification). This component follows Google [Material Design](https://material.google.com/) principles and relies on the [Vue Material](https://github.com/marcosmoura/vue-material) framework. It also relies on [vue-resource](https://github.com/pagekit/vue-resource) to perform API requests.
+with the [OpenAPI 3.0 Specification](https://github.com/OAI/OpenAPI-Specification) (formerly known as Swagger Specification). This component follows Google [Material Design](https://material.google.com/) principles and relies on the [Vue Material](https://github.com/marcosmoura/vue-material) framework. It also relies on [vue-resource](https://github.com/pagekit/vue-resource) to perform API requests.
 
 See it in action :
  * https://koumoul.com/s/geocoder/api-doc
@@ -48,6 +48,10 @@ new Vue({
 
 [MIT License](license.md)
 
+## Resources
+
+ * [swagger2openapi](https://github.com/Mermade/swagger2openapi) let you convert Swagger 2.0 definitions into OpenApi 3.0.x
+
 ## Similar projects
 
 This project has been inspired by the following projects :