splan/splan_mfg_chg: SPlan & Xborn 产品变更记录 @ v1.0

SPlan & Xborn 产品变更记录

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lai da611534e2 1. Y E+ I X PCBA集合首次记录		há 3 semanas atrás
SPlan_changelog.md	bdd8bebaa7 1. Y E+ I X PCBA集合首次记录	há 3 semanas atrás