docs: clarify python package installation instructions

[Craun718]

年年考，年年错.jpg

Summary by Sourcery

文档：

• 更新英文快速开始指南，明确说明正确的 MaaFramework Python 包名（maafw）以及使用 python -m pip install maafw 的安装命令。

Original summary in English

Summary by Sourcery

Documentation:

• Update the English quick start guide to explicitly state the correct MaaFramework Python package name (maafw) and installation command using python -m pip install maafw.

[sourcery-ai]

Hey - 我已经给出了一些总体反馈：

• 建议把安装相关的说明从伪代码代码块中移出，放到前面的一句简短说明，或者放到一个文档备注/提示框里，这样代码示例就能更专注于用法本身，而不是说明性文字。
• 句子 “don't install the wrong one” 略显口语化；建议用更中性的表述（例如：“注意：正确的包名是 maafw，而不是 maa。”），这样更符合常见文档的语气。

给 AI Agent 的提示

Please address the comments from this code review:

## Overall Comments
- Consider moving the installation clarification out of the pseudo-code block into a short preceding sentence or a docs note/admonition so the code sample remains focused on usage rather than commentary.
- The sentence "don't install the wrong one" is a bit informal; rephrase more neutrally (e.g., "Note: the correct package name is `maafw`, not `maa`."), which better matches typical documentation tone.

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Original comment in English

Hey - I've left some high level feedback:

• Consider moving the installation clarification out of the pseudo-code block into a short preceding sentence or a docs note/admonition so the code sample remains focused on usage rather than commentary.
• The sentence "don't install the wrong one" is a bit informal; rephrase more neutrally (e.g., "Note: the correct package name is maafw, not maa."), which better matches typical documentation tone.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- Consider moving the installation clarification out of the pseudo-code block into a short preceding sentence or a docs note/admonition so the code sample remains focused on usage rather than commentary.
- The sentence "don't install the wrong one" is a bit informal; rephrase more neutrally (e.g., "Note: the correct package name is `maafw`, not `maa`."), which better matches typical documentation tone.

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[MistEO]

感觉快速开始文档一上来主要是亮点展示，这里也都是伪代码，没必要说明这个，会分散新读者的注意力

[Craun718]

内部具体的示例原本已经有python -m pip install maafw的提示，但是还是有人装错。我怀疑是不是只看了外面的，所以想着要不要多加一点提示。
或者直接把这段示例删了，只给里面的链接？

[Craun718]

这样该怎么样

该部分仅为伪代码示例，不代表实际业务。