add vfg-field-array into the readme

Author: gwenaelp

README.md

@@ -209,6 +209,7 @@ This way, it will be easier for everyone to find it. Thank you !
 
 - [vue-tel-input](https://github.com/EducationLink/vue-tel-input) - International Telephone Input Boilerplate with Vue (integrated with VueFormGenerator).
 - [vfg-field-sourcecode](https://github.com/gwenaelp/vfg-field-sourcecode) - A source code field for vue-form-generator
+- [vfg-field-array](https://github.com/gwenaelp/vfg-field-array) - A vue-form-generator field to handle arrays of items of any type.
 - [vfg-field-object](https://github.com/gwenaelp/vfg-field-object) - A vue-form-generator field to handle objects, with or without schemas.
 
 ## Contribution