Add CI status badge to README#6

langyo merged 2 commits intomasterkongying-tavern/genshin-cloud-rust:masterfrom

copilot/fix-9d0c0060-3542-4b9e-ae26-bb67cef47a37kongying-tavern/genshin-cloud-rust:copilot/fix-9d0c0060-3542-4b9e-ae26-bb67cef47a37Copy head branch name to clipboard