refactor: switch css framework to tailwind

src/components/themeSwitcher.js

@@ -0,0 +1,58 @@
+import { useEffect, useState } from 'react'
+
+const moonIcon = (
+  <svg
+    xmlns="http://www.w3.org/2000/svg"
+    fill="none"
+    viewBox="0 0 24 24"
+    stroke="currentColor"
+    className="h-5 mx-auto"
+  >
+    <path
+      strokeLinecap="round"
+      strokeLinejoin="round"
+      strokeWidth={2}
+      d="M20.354 15.354A9 9 0 018.646 3.646 9.003 9.003 0 0012 21a9.003 9.003 0 008.354-5.646z"
+    />
+  </svg>
+)
+
+const sunIcon = (
+  <svg
+    xmlns="http://www.w3.org/2000/svg"
+    fill="none"
+    viewBox="0 0 24 24"
+    stroke="currentColor"
+    className="h-5 mx-auto"
+  >
+    <path
+      strokeLinecap="round"
+      strokeLinejoin="round"
+      strokeWidth={2}
+      d="M12 3v1m0 16v1m9-9h-1M4 12H3m15.364 6.364l-.707-.707M6.343 6.343l-.707-.707m12.728 0l-.707.707M6.343 17.657l-.707.707M16 12a4 4 0 11-8 0 4 4 0 018 0z"
+    />
+  </svg>
+)
+
+export default function ThemeSwitcher() {
+  const [darkmode, setDark] = useState(localStorage.getItem('theme') === 'dark')
+
+  useEffect(() => {
+    setTheme(darkmode ? 'dark' : 'light')
+  }, [darkmode])
+
+  const changeTheme = () => {
+    setDark(!darkmode)
+  }
+
+  const buttonColor = darkmode ? 'bg-gray-700' : 'bg-gray-200'
+
+  return (
+    <button
+      className={`${buttonColor} rounded-full h-7 w-7 mr-4`}
+      onClick={changeTheme}
+    >
+      {darkmode ? sunIcon : moonIcon}
+    </button>
+  )
+}