Enable/disable bashrc/vimrc per user

Made both states configurable per user in pillar data
Had to drop extend, for this otherwise the extend would be empty if manage is
False

pillar.example

@@ -9,6 +9,8 @@ users:
     password: $6$w.............
     home: /custom/buser
     createhome: True
+    manage_vimrc: False
+    manage_bashrc: False
     expire: 16426
     sudouser: True
     sudo_rules: