refactor: move Header and Footer to root layout

src/components/layout/FullWidth.tsx

@@ -1,7 +1,5 @@
 import { css, cx } from '@styled-system/css'
 import type { FC, ReactNode } from 'react'
-import Footer from '@/components/layout/fragments/Footer'
-import Header from '@/components/layout/fragments/Header'
 
 export interface FullWidthProps {
   className?: string
@@ -9,13 +7,7 @@ export interface FullWidthProps {
 }
 
 const FullWidth: FC<FullWidthProps> = ({ className, children }) => {
-  return (
-    <>
-      <Header />
-      <main className={cx(css({ flexGrow: 1 }), className)}>{children}</main>
-      <Footer />
-    </>
-  )
+  return <main className={cx(css({ flexGrow: 1 }), className)}>{children}</main>
 }
 
 export default FullWidth