[CORL-224] Flag Details (#2293)

* feat: flag details

* fix: review

* feat: implement flag details in admin

* test: test flag details

src/core/client/framework/hooks/index.ts

@@ -1,3 +1,4 @@
 export { default as useEffectAfterMount } from "./useEffectAfterMount";
 export { default as usePrevious } from "./usePrevious";
 export { default as useEffectWhenChanged } from "./useEffectWhenChanged";
+export { default as useUUID } from "./useUUID";

src/core/client/framework/hooks/useUUID.ts

@@ -0,0 +1,11 @@
+import { useMemo } from "react";
+
+import { useTalkContext } from "talk-framework/lib/bootstrap";
+
+/**
+ * useUUID returns a unique identifier.
+ */
+export default function useUUID(): string {
+  const { uuidGenerator } = useTalkContext();
+  return useMemo(() => uuidGenerator(), []);
+}