Changeset for Drawer and Mega menu (#1368)

chore: add changeset

.changeset/long-planes-accept.md

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+---
+"flowbite-react": minor
+---
+
+## Introducing Drawer and Mega menu
+
+### Summary
+
+Say hello to [Drawer](https://flowbite-react.com/docs/components/drawer) and [Mega menu](https://flowbite-react.com/docs/components/mega-menu)!
+
+These long-awaited components from the [vanilla Flowbite library](https://flowbite.com) have finally made their way to Flowbite React. Everything you need to get started - including full theme support, and the full set of examples to match the main Flowbite library - are ready at your fingertips.
+
+### Changes
+
+- added Drawer component
+- added Mega menu component