Update containers.rst
The documentation states that the first parameter for container creation should be the name and the second parameter should be a container config, looking at the examples it should just be a config.
@@ -15,8 +15,8 @@ methods:
- `all()` - Retrieve all containers.
- `get()` - Get a specific container, by its name.
- - `create(wait=False)` - Create a new container. This method requires
- a first argument that is the container name, followed by a config.
+ - `create(config, wait=False)` - Create a new container. This method
+ requires the container config as the first parameter.
The config itself is beyond the scope of this documentation. Please
refer to the LXD documentation for more information. This method
will also return immediately, unless `wait` is `True`.
