splan/splan_mfg_chg: SPlan & Xborn 产品变更记录 @ v1.1

SPlan & Xborn 产品变更记录

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darcy e1e1c73453 1. 新增固件变更日志		há 3 dias atrás
SPlan_changelog.md	a657822c59 1. 新增固件变更日志	há 3 dias atrás
SPlan_changelog.pdf	a657822c59 1. 新增固件变更日志	há 3 dias atrás