docs: se agrega nota de lanzamiento para v1.0.1

Author: cristopher1

RELEASE_NOTES.md

@@ -2,6 +2,10 @@
 
 Yeoman generator to create a simple base structure for api rest based on express framework.
 
+**Features added in version 1.0.1:**
+
+- Is used the express v4 syntax.
+
 **Features added in version 1.0.0:**
 
 - generator-express-simple-api-generator only include the minimum configurations for development environment.