docs: add install plugin with gui section (#17733)

docs/en/10-visual/01-grafana.md

@@ -13,6 +13,18 @@ TDengine currently supports Grafana versions 7.5 and above. Users can go to the
 
 ## Install TDengine plugin
 
+### Install with GUI
+
+The TDengine data source plugin is already published as a signed Grafana plugin. You can easily install it from Grafana Configuration GUI. In any platform you already installed Grafana, you can open the URL http://localhost:3000 then click plugin menu from left panel.
+
+![click plugin menu](./grafana/click-plugin-menu-from-config.png)
+
+Then key in `TDengine` to search.
+
+![search TDengine](./grafana/search-tdengine-from-config.png)
+
+### One-line installer
+
 Please copy the following shell commands to export `TDENGINE_CLOUD_URL` and `TDENGINE_CLOUD_TOKEN` for the data source installation.
 
 ```bash