Add coverage badge and documentation

Author: github-actions[bot]

docs/content/index.md

@@ -21,11 +21,12 @@ The following list describes the currently supported features of the Grafana API
 - [ ] [HTTP Preferences API](https://grafana.com/docs/grafana/latest/http_api/preferences/)
 - [x] [HTTP Snapshot API](https://grafana.com/docs/grafana/latest/http_api/snapshot/)
 - [ ] [Library Element HTTP API](https://grafana.com/docs/grafana/latest/http_api/library_element/)
-- [ ] [Licensing HTTP API](https://grafana.com/docs/grafana/latest/http_api/licensing/)
+- [x] [Query History API](https://grafana.com/docs/grafana/latest/http_api/query_history/)
+- [x] [Licensing HTTP API](https://grafana.com/docs/grafana/latest/http_api/licensing/)
 - [x] [Organization HTTP API](https://grafana.com/docs/grafana/latest/http_api/org/)
-- [ ] [Other HTTP API](https://grafana.com/docs/grafana/latest/http_api/other/)
+- [x] [Other HTTP API](https://grafana.com/docs/grafana/latest/http_api/other/)
 - [x] [Playlist HTTP API](https://grafana.com/docs/grafana/latest/http_api/playlist/)
-- [ ] [Reporting API](https://grafana.com/docs/grafana/latest/http_api/reporting/)
+- [x] [Reporting API](https://grafana.com/docs/grafana/latest/http_api/reporting/)
 - [x] [Short URL HTTP API](https://grafana.com/docs/grafana/latest/http_api/short_url/)
 - [x] [Team HTTP API](https://grafana.com/docs/grafana/latest/http_api/team/)
 - [x] [User HTTP API](https://grafana.com/docs/grafana/latest/http_api/user/)