Update EN docs

docs/About_OpenSCA.md

@@ -1,3 +1,5 @@
+[Go Back](/docs/README.md) | [中文](./About_OpenSCA-zh_CN.md)
+
 # About 
 > Manage Open Source Risks Through an Open Source Solution
 

docs/Quick_Start.md

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+[Go Back](/docs/README.md) | [中文](./Quick_Start-zh_CN.md)
+
+# Quick Start
+
+## Video
+
+<video width="320" height="240" controls="controls" poster="https://opensca.xmirror.cn/docs/assets/img/poster_cli.d9973be2.png" style="width: 100%; max-height: 500px; height: auto;" jm_neat="328132609"><source src="https://opensca.xmirror.cn/docs/assets/media/cli.1bed8c1c.mp4" type="video/mp4">
+您的浏览器不支持 video 标签。
+</video>
+
+## Traditional Method
+
+### Download & Deploy
+
+- Method No.1：one-click installation
+  - For Mac/Linux Users
+    ```shell
+    curl -sSL https://raw.githubusercontent.com/XmirrorSecurity/OpenSCA-cli/master/scripts/install.sh | sh
+
+    # Try this when internet connection fails
+    curl -sSL https://gitee.com/XmirrorSecurity/OpenSCA-cli/raw/master/scripts/install.sh | sh -s -- gitee
+    ```
+- Method No.2：via `Homebrew` (Mac/Linux)
+  ```shell
+  brew install opensca-cli
+  ```
+- Method No.3：Download executable program and decompress from [GitHub](https://github.com/XmirrorSecurity/OpenSCA-cli/releases/latest) or [Gitee](https://gitee.com/XmirrorSecurity/OpenSCA-cli/releases/latest) 
+
+### Use OpenSCA 
+
+**Report dependencies of the given directory**
+
+```shell
+opensca-cli -path ${project_path}
+```
+
+**Report dependencies and get info of vuls & licenses from cloud knowledge base**
+
+> Register first [register](https://opensca.xmirror.cn/register) and get token
+
+```shell
+opensca-cli -path ${project_path} -token ${token}
+```
+
+## Docker
+
+**Report dependencies of the given directory**
+
+```shell
+docker run -ti --rm -v ${project_path}:/src opensca/opensca-cli:latest
+```
+
+**Report dependencies and get info of vuls & licenses from cloud knowledge base**
+
+> Register first [register](https://opensca.xmirror.cn/register) and get token
+
+```shell
+docker run -ti --rm -v ${project_path}:/src opensca/opensca-cli:latest -token ${token}
+```