docs: showcase the interactive workspace

Author: bx33661

README.md

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+![oh-my-vul interactive evidence workspace](https://raw.githubusercontent.com/bx33661/oh-my-vul/main/docs/images/oh-my-vul-dashboard.png)
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 `oh-my-vul` combines agent skills with a local CLI to make open-source vulnerability research repeatable in Pi, Codex, and Claude Code:

README.zh-CN.md

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 </div>
 
+![oh-my-vul 交互式证据工作台](https://raw.githubusercontent.com/bx33661/oh-my-vul/main/docs/images/oh-my-vul-dashboard.png)
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 `oh-my-vul` 把开源漏洞研究整理成一套可重复、可复核的流程：