翻译：Zig 裸机编程之 STM32F103 —— 启动过程 (#117)

* Initial plan

* 翻译：Zig Bare Metal Programming on STM32F103 — Booting up

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Co-authored-by: jiacai2050 <3848910+jiacai2050@users.noreply.github.com>

* fix: replace unknown 'ld' language code with plain code block

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* Apply suggestions from code review

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: jiacai2050 <3848910+jiacai2050@users.noreply.github.com>
Co-authored-by: Jiacai Liu <dev@liujiacai.net>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: 3 people