Update README.md to mention that this is the official successor to user_impersonate
Update README.md to mention that this is the official successor to user_impersonate

rcook/user_impersonate2,rcook/user_impersonate2,ej4/user_impersonate2,ej4/user_impersonate2,rcook/user_impersonate2,ej4/user_impersonate2,ej4/user_impersonate2,rcook/user_impersonate2