优化导航栏性能，完善导航栏弹出菜单的移动端适配；调整导航栏与 store 公共组件的所在目录结构

src/app/(home)/@header/common.tsx

@@ -0,0 +1,18 @@
+import {createContext} from 'react'
+import Image, {StaticImageData} from 'next/image'
+
+export const HeaderContext = createContext<{
+  setMenu: (value: boolean) => void
+} | null>(null)
+
+export function FragmentTitle(props: {
+  text: string
+  img: StaticImageData
+}) {
+  return (
+    <h3 className="font-bold flex items-center gap-3">
+      <Image src={props.img} alt="icon" aria-hidden className="size-8 lg:size-9"/>
+      <span>{props.text}</span>
+    </h3>
+  )
+}