add tags in metadata.json file

If you search about turn, the cotrun module is not proposed in the result

added docs improvement labels

changed milestone to %1.0.2

created merge request !16 (merged) to address this issue

mentioned in merge request !16 (merged)

created merge request !17 (closed) to address this issue

mentioned in merge request !17 (closed)

closed via merge request !16 (merged)

mentioned in commit c9946a95