readme update

README.md

@@ -77,6 +77,15 @@ Update user profile:
 }
 ```
 
+### COOP and Managin User Data Load
+
+For massive load of data from COOPs and the managing user.
+
+CSV headers: `email,cif,nombre-coop,nombre-corto,url,es-tienda`
+
+Only admin users have access to endoint
+
+
 ### Authentication
 
 Implemented using `djangorestframework-simplejwt`