feat: change introduction

Signed-off-by: zhaoxinxin <[email protected]>

docs/introduction.md

@@ -23,7 +23,7 @@ download stability.
 - **Ecosystem**: Provides simple integration with AI infrastructure, container runtimes, container registry,
 download tools, etc.
 
-![features](./resource/getting-started/features.jpeg)
+![features](./resource/introduction/features.jpeg)
 
 ## Milestone
 
@@ -33,7 +33,7 @@ And joined the CNCF as a sandbox project in October 2018.
 In April 2020, The CNCF Technical Oversight Committee (TOC) voted to accept Dragonfly as an Incubating Project.
 In April 2021, Dragonfly 2.0 was released after architectural optimization and code refactoring.
 
-![milestone](./resource/getting-started/milestone.jpeg)
+![milestone](./resource/introduction/milestone.jpeg)
 
 ## Architecture
 
@@ -65,4 +65,4 @@ when a piece is successfully downloaded, the piece metadata will be reported to
 If this is not the first time downloading, the Scheduler will schedule other Peers for the download.
 The Peer will download pieces from different Peers, splices and returns the entire file, then the P2P download is completed.
 
-![sequence-diagram](./resource/getting-started/sequence-diagram.png)
+![sequence-diagram](./resource/introduction/sequence-diagram.png)

i18n/zh/docusaurus-plugin-content-docs/current/introduction.md

@@ -18,7 +18,7 @@ Dragonfly 是一款基于 P2P 技术的文件分发和镜像加速系统，它
 - **异常隔离**：通过 Service、Peer 以及 Task 三个级别自动隔离异常提高下载稳定性。
 - **生态**：跟 AI 基础设施、容器镜像以及文件分发等生态项目都有简单的集成方案。
 
-![features](./resource/getting-started/features.jpeg)
+![features](./resource/introduction/features.jpeg)
 
 ## 里程碑
 
@@ -27,7 +27,7 @@ Dragonfly 是一款基于 P2P 技术的文件分发和镜像加速系统，它
 2020 年 4 月，CNCF 技术监督委员会（TOC）投票决定接受 Dragonfly 成为 CNCF Incubating 项目。
 2021 年 4 月，经过系统架构、产品能力、使用场景等几大方向上进行升级后发布 Dragonfly 2。
 
-![milestone](./resource/getting-started/milestone.jpeg)
+![milestone](./resource/introduction/milestone.jpeg)
 
 ## 架构
 
@@ -49,4 +49,4 @@ Dragonfly 架构主要分为四部分 Manager、Scheduler、Seed Peer 以及 Pee
 会将信息上报给 Scheduler 供下次调度使用。如果 Task 在 P2P 集群内非第一次下载，那么 Scheduler 会调度其他 Peer 给当前 Peer 下载。
 Peer 从不同的 Peer 下载 Piece，拼接并返回整个文件，那么 P2P 下载就完成了。
 
-![sequence-diagram](./resource/getting-started/sequence-diagram.png)
+![sequence-diagram](./resource/introduction/sequence-diagram.png)