fix: use joinSegments for `contentIndex.json` file path (#702)

kabirgh

2024-01-16 e17ff202449635af29ef0056886e472a2615708b

 quartz/util/ctx.ts

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