Added PWA support (#40)

components/ClientWrapper.tsx

@@ -0,0 +1,19 @@
+'use client'
+
+import { ReactNode } from 'react'
+import { useAtom } from 'jotai'
+import { pomodoroAtom } from '@/lib/atoms'
+import PomodoroTimer from './PomodoroTimer'
+
+export default function ClientWrapper({ children }: { children: ReactNode }) {
+  const [pomo] = useAtom(pomodoroAtom)
+
+  return (
+    <>
+      {children}
+      {pomo.show && (
+        <PomodoroTimer />
+      )}
+    </>
+  )
+}