* docs: describe how grafana connect cloud

* docs: update latest version

* docs: describe how grafana to connect cloud

* docs: refine 08-third-party/01-grafana.md

* docs: update add_datasource4.webp

* docs: refine 08-third-party/01-grafana.md

* docs: update two pics

* docs: refine 01-grafana.md

* docs: rewrite grafana doc for cloud