fix: use joinSegment instead of joining via slash in sitemap (closes #658)

Jacky Zhao

2023-12-28 e277ed5c307cd263b0f07dfece45946c3fe195d9

 .prettierrc

@@ -2,5 +2,6 @@
  "printWidth": 100,
  "quoteProps": "as-needed",
  "trailingComma": "all",
  "tabWidth": 2
  "tabWidth": 2,
  "semi": false
}