chore(lang): lang element based on frontmatter or default locale (#819)

Aaron Pham

2024-02-07 2578597f7ec7e932f5e30e2c38995dc9dd6eac75

 .prettierrc

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