Name the configuration

So it is possible to use the config after rule for overriding configuration.

Example:

```
---
Name: googlemapfieldoverride
After:
  - '#googlemapfield'
---
GoogleMapField:
  default_options:
    map:
      zoom: 10
    default_field_values:
      Latitude: 58.14
      Longitude: 22.30
```