docs(grafana): update for one-liner installer script of grafana plugin

Ref: [TD-16379](https://jira.taosdata.com:18080/browse/TD-16379)

docs-cn/20-third-party/01-grafana.mdx

@@ -12,12 +12,38 @@ TDengine 能够与开源数据可视化系统 [Grafana](https://www.grafana.com/
 - TDengine 集群已经部署并正常运行
 - taosAdapter 已经安装并正常运行。具体细节请参考 [taosAdapter 的使用手册](/reference/taosadapter)
 
+记录以下信息：
+
+- TDengine 集群 REST API 地址，如：`http://tdengine.local:6041`。
+- TDengine 集群认证信息，可使用用户名及密码。
+
 ## 安装 Grafana
 
-目前 TDengine 支持 Grafana 7.0 以上的版本。用户可以根据当前的操作系统，到 Grafana 官网下载安装包，并执行安装。下载地址如下：<https://grafana.com/grafana/download>。
+目前 TDengine 支持 Grafana 7.5 以上的版本。用户可以根据当前的操作系统，到 Grafana 官网下载安装包，并执行安装。下载地址如下：<https://grafana.com/grafana/download>。
 
 ## 配置 Grafana
 
+### 安装方式一：安装脚本
+
+将集群信息设置为环境变量（也可以使用 [`.env`(dotenv) 文件](https://hexdocs.pm/dotenvy/dotenv-file-format.html) ）：
+
+```sh
+export TDENGINE_API=http://tdengine.local:6041
+# user + password
+export TDENGINE_USER=user
+export TDENGINE_PASSWORD=password
+```
+
+运行安装脚本：
+
+```sh
+bash -c "$(curl -fsSL https://raw.githubusercontent.com/taosdata/grafanaplugin/master/install.sh)"
+```
+
+该脚本将自动安装 Grafana 插件并配置数据源。安装完毕后，需要重启 Grafana 服务后生效。
+
+### 安装方式二：手动安装 TDengine 数据源插件
+
 使用 [`grafana-cli` 命令行工具](https://grafana.com/docs/grafana/latest/administration/cli/) 进行插件[安装](https://grafana.com/grafana/plugins/tdengine-datasource/?tab=installation)。
 
 ```bash
@@ -48,11 +74,7 @@ sudo unzip tdengine-datasource-$GF_VERSION.zip -d /var/lib/grafana/plugins/
 GF_INSTALL_PLUGINS=tdengine-datasource
 ```
 
-## 使用 Grafana
-
-### 配置数据源
-
-用户可以直接通过 <http://localhost:3000> 的网址，登录 Grafana 服务器（用户名/密码：admin/admin），通过左侧 `Configuration -> Data Sources` 可以添加数据源，如下图所示：
+之后，用户可以直接通过 <http://localhost:3000> 的网址，登录 Grafana 服务器（用户名/密码：admin/admin），通过左侧 `Configuration -> Data Sources` 可以添加数据源，如下图所示：
 
 ![TDengine Database Grafana plugin add data source](./add_datasource1.webp)
 
@@ -92,4 +114,11 @@ GF_INSTALL_PLUGINS=tdengine-datasource
 
 ### 导入 Dashboard
 
-在 2.3.3.0 及以上版本，您可以导入 TDinsight Dashboard (Grafana Dashboard ID： [15167](https://grafana.com/grafana/dashboards/15167)) 作为 TDengine 集群的监控可视化工具。安装和使用说明请见 [TDinsight 用户手册](/reference/tdinsight/)。
+在数据源配置页面，您可以为该数据源导入 TDinsight 面板，作为 TDengine 集群的监控可视化工具。该 Dashboard 已发布在 Grafana：[Dashboard 15167 - TDinsight](https://grafana.com/grafana/dashboards/15167)) 。其他安装方式和相关使用说明请见 [TDinsight 用户手册](/reference/tdinsight/)。
+
+使用 TDengine 作为数据源的其他面板，可以[在此搜索](https://grafana.com/grafana/dashboards/?dataSource=tdengine-datasource)。以下是一份不完全列表：
+
+- [15146](https://grafana.com/grafana/dashboards/15146): 监控多个 TDengine 集群
+- [15155](https://grafana.com/grafana/dashboards/15155): TDengine 告警示例
+- [15167](https://grafana.com/grafana/dashboards/15167): TDinsight
+- [16388](https://grafana.com/grafana/dashboards/16388): Telegraf 采集节点信息的数据展示

docs-en/20-third-party/01-grafana.mdx

@@ -14,12 +14,40 @@ In order for Grafana to add the TDengine data source successfully, the following
 1. The TDengine cluster is deployed and functioning properly
 2. taosAdapter is installed and running properly. Please refer to the taosAdapter manual for details.
 
+Record these values:
+
+- TDengine REST API url: `http://tdengine.local:6041`.
+- TDengine cluster authorization, with user + password.
+
 ## Installing Grafana
 
-TDengine currently supports Grafana versions 7.0 and above. Users can go to the Grafana official website to download the installation package and execute the installation according to the current operating system. The download address is as follows: <https://grafana.com/grafana/download>.
+TDengine currently supports Grafana versions 7.5 and above. Users can go to the Grafana official website to download the installation package and execute the installation according to the current operating system. The download address is as follows: <https://grafana.com/grafana/download>.
 
 ## Configuring Grafana
 
+### Option 1: Install with `install.sh`
+
+Set the url and authorization environment variables by `export` or a [`.env`(dotenv) file](https://hexdocs.pm/dotenvy/dotenv-file-format.html):
+
+```sh
+export TDENGINE_API=http://tdengine.local:6041
+# user + password
+export TDENGINE_USER=user
+export TDENGINE_PASSWORD=password
+```
+
+Run `install.sh`:
+
+```sh
+bash -c "$(curl -fsSL https://raw.githubusercontent.com/taosdata/grafanaplugin/master/install.sh)"
+```
+
+With this script, TDengine data source plugin and the Grafana data source will be installed and created automatically with Grafana provisioning configurations.
+
+And then, restart Grafana service and open Grafana in web-browser, usually <http://localhost:3000>.
+
+### Option 2: Install Plugin Manually
+
 Follow the installation steps in [Grafana](https://grafana.com/grafana/plugins/tdengine-datasource/?tab=installation) with the [``grafana-cli`` command-line tool](https://grafana.com/docs/grafana/latest/administration/cli/) for plugin installation.
 
 ```bash
@@ -50,11 +78,7 @@ If Grafana is running in a Docker environment, the TDengine plugin can be automa
 GF_INSTALL_PLUGINS=tdengine-datasource
 ```
 
-## Using Grafana
-
-### Configuring Data Sources
-
-Users can log in to the Grafana server (username/password: admin/admin) directly through the URL `http://localhost:3000` and add a datasource through `Configuration -> Data Sources` on the left side, as shown in the following figure.
+Now users can log in to the Grafana server (username/password: admin/admin) directly through the URL `http://localhost:3000` and add a datasource through `Configuration -> Data Sources` on the left side, as shown in the following figure.
 
 ![TDengine Database TDinsight plugin add datasource 1](./grafana/add_datasource1.webp)
 
@@ -94,4 +118,11 @@ Follow the default prompt to query the average system memory usage for the speci
 
 ### Importing the Dashboard
 
-In version 2.3.3.0 and above, you can import the TDinsight Dashboard (Grafana Dashboard ID: [15167](https://grafana.com/grafana/dashboards/15167)) as a monitoring visualization tool for TDengine clusters. You can find installation and usage instructions in the TDinsight User Manual (/reference/tdinsight/).
+You can install TDinsight dashboard in data source configuration page (like `http://localhost:3000/datasources/edit/1/dashboards`) as a monitoring visualization tool for TDengine cluster. The dashboard is published in Grafana as [Dashboard 15167 - TDinsight](https://grafana.com/grafana/dashboards/15167). Check the [TDinsight User Manual](/reference/tdinsight/) for the details.
+
+For more dashboards using TDengine data source, [search here in Grafana](https://grafana.com/grafana/dashboards/?dataSource=tdengine-datasource). Here is a sub list:
+
+- [15146](https://grafana.com/grafana/dashboards/15146): Monitor multiple TDengine clusters.
+- [15155](https://grafana.com/grafana/dashboards/15155): TDengine alert demo.
+- [15167](https://grafana.com/grafana/dashboards/15167): TDinsight.
+- [16388](https://grafana.com/grafana/dashboards/16388): Telegraf node metrics dashboard using TDengine data source.