feat: flex component, document higher-order layout components

Jacky Zhao

2025-03-11 2718ab90194b3c7be600d1a2dadc4250207db1c0

 .prettierrc

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