fix: mermaid copy source position

Jacky Zhao

2023-09-24 ea5742c328c97a20f7add4994aa7e443fc6f7f39

 quartz/util/ctx.ts

@@ -7,6 +7,8 @@
  output: string
  serve: boolean
  port: number
  wsPort: number
  remoteDevHost?: string
  concurrency?: number
}