New variables

| Variable | Description | |----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------| | **leader.leader**
[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` `mandatory` `unique` `multiple` | **Default**:
- a
- b | | **leader.follower**
[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` | | | **variable**
[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` `unique` `multiple` | **Default**: the value of the variable "[`Follower`](#leader.follower)" |