⚡ Restore chat state when user is remembered (#1333)

Closes #993

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **New Features**
- Added a detailed explanation page for the "Remember user" setting in
the app documentation.
- Introduced persistence of chat state across sessions, with options for
local or session storage.
- Enhanced bot functionality to store and retrieve initial chat replies
and manage bot open state with improved storage handling.
- Added a new callback for chat state persistence to bot component
props.

- **Improvements**
- Updated the general settings form to clarify the description of the
"Remember user" feature.
- Enhanced custom CSS handling and progress value persistence in bot
components.
- Added conditional transition disabling in various components for
smoother user experiences.
- Simplified the handling of `onTransitionEnd` across multiple bubble
components.

- **Refactor**
- Renamed `inputIndex` to `chunkIndex` or `index` in various components
for consistency.
	- Removed unused ESLint disable comments related to reactivity rules.
	- Adjusted import statements and cleaned up code across several files.

- **Bug Fixes**
- Fixed potential issues with undefined callbacks by introducing
optional chaining in component props.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/embeds/nextjs/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@typebot.io/nextjs",
-  "version": "0.2.48",
+  "version": "0.2.49",
   "description": "Convenient library to display typebots on your Next.js website",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",