fixed typo in the QQ (Websockets) documentation

[EmilyCheoh]

Modifications / 改动点

Fixed typo in documentation.

• This is NOT a breaking change. / 这不是一个破坏性变更。

Screenshots or Test Results / 运行截图或测试结果

changed from 将之前得到的的 AppID to 将之前得到的 AppID (removed the extra "的").

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Checklist / 检查清单

• 😊 If there are new features added in the PR, I have discussed it with the authors through issues/emails, etc.
  / 如果 PR 中有新加入的功能，已经通过 Issue / 邮件等方式和作者讨论过。

• 👀 My changes have been well-tested, and "Verification Steps" and "Screenshots" have been provided above.
  / 我的更改经过了良好的测试，并已在上方提供了“验证步骤”和“运行截图”。

• 🤓 I have ensured that no new dependencies are introduced, OR if new dependencies are introduced, they have been added to the appropriate locations in requirements.txt and pyproject.toml.
  / 我确保没有引入新依赖库，或者引入了新依赖库的同时将其添加到 requirements.txt 和 pyproject.toml 文件相应位置。

• 😮 My changes do not introduce malicious code.
  / 我的更改没有引入恶意代码。

Summary by Sourcery

Documentation:

• Fix a duplicated character typo in the QQ 官方机器人（WebSocket） setup instructions in the Chinese documentation.

[sourcery-ai]

Hey - I've reviewed your changes and they look great!

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[gemini-code-assist]

Code Review

This pull request corrects a grammatical typo in the Chinese documentation for the QQ official WebSocket bot setup. The review feedback suggests further enhancing the documentation by standardizing terminology and formatting UI elements with backticks for consistency.

[gemini-code-assist]

To improve documentation consistency, consider using the verb '获取' to match the terminology used in step 3, and format '保存' with backticks to align with other UI elements referenced in this sentence (like 机器人, 启用, etc.).

Suggested change

	4. 进入 AstrBot 的 WebUI，点击左边栏 `机器人`，然后在右边的界面中，点击 `+ 创建机器人`，选择 `QQ 官方机器人（WebSocket）`，将之前得到的 `AppID` 和 `AppSecret` 复制到这里的表单中，然后 `启用`，然后点击保存。
	4. 进入 AstrBot 的 WebUI，点击左边栏 `机器人`，然后在右边的界面中，点击 `+ 创建机器人`，选择 `QQ 官方机器人（WebSocket）`，将之前获取的 `AppID` 和 `AppSecret` 复制到这里的表单中，然后 `启用`，然后点击 `保存`。