- Removed the widgetOrigin middleware as it would have same origin as the iFrame URL, changed this to use `Referrer` header on initial iFrame load.
- Feat(agent-view): Added external_user_id display in the conversation sidebar.
- new vue app for serving live chat widget, created subdirectories inside frontend dir `main` and `widget`
- vite changes for both main app and widget app.
- new backend live chat channel
- apis for live chat widget