perf!: monorepo setup + fully static + webp images

BREAKING CHANGE: minimum supported Node.js >= 22.0.0 and pnpm >= 9.5.0

packages/react-hooks/src/useIsMounted.ts

@@ -0,0 +1,15 @@
+import { useEffect, useState } from "react"
+
+export interface UseIsMountedOutput {
+  isMounted: boolean
+}
+
+export const useIsMounted = (): UseIsMountedOutput => {
+  const [isMounted, setIsMounted] = useState(false)
+
+  useEffect(() => {
+    setIsMounted(true)
+  }, [])
+
+  return { isMounted }
+}