GitLab

Fix order

Add the conditions field in metrics.
Remove the tablename field in metrics.
Modify the controller metric/index to handle condition.

levels and the associated fields.

metrics.

Introduce the metrics/category controller.

the controller build the table while the view render it.

invenio_tools and list_tools.

category_proceeding, category_report and category_talk and used them in
controllers building list and metric.