⚡ Introduce a new high-performing standalone chat API (#1200)

Closes #1154

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

- **New Features**
	- Added authentication functionality for user sessions in chat API.
- Introduced chat-related API endpoints for starting, previewing, and
continuing chat sessions, and streaming messages.
- Implemented WhatsApp API webhook handling for receiving and processing
messages.
- Added environment variable `NEXT_PUBLIC_CHAT_API_URL` for chat API URL
configuration.

- **Bug Fixes**
	- Adjusted file upload logic to correctly determine the API host.
	- Fixed message streaming URL in chat integration with OpenAI.

- **Documentation**
- Updated guides for creating blocks, local installation, self-hosting,
and deployment to use `bun` instead of `pnpm`.

- **Refactor**
	- Refactored chat API functionalities to use modular architecture.
- Simplified client log saving and session update functionalities by
using external functions.
	- Transitioned package management and workflow commands to use `bun`.

- **Chores**
- Switched to `bun` for package management in Dockerfiles and GitHub
workflows.
	- Added new Dockerfile for chat API service setup with Bun framework.
	- Updated `.prettierignore` and documentation with new commands.

- **Style**
	- No visible changes to end-users.

- **Tests**
	- No visible changes to end-users.

- **Revert**
	- No reverts in this release.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/lib/package.json

@@ -15,7 +15,7 @@
     "@types/nodemailer": "6.4.8",
     "@types/validator": "13.11.9",
     "next": "14.1.0",
-    "nodemailer": "6.9.3",
+    "nodemailer": "6.9.8",
     "tslib": "2.6.0",
     "typescript": "5.3.2"
   },

packages/lib/prisma.ts

@@ -4,11 +4,15 @@ import { PrismaClient } from '@typebot.io/prisma'
 declare const global: { prisma: PrismaClient }
 let prisma: PrismaClient
 
-if (env.NODE_ENV === 'production') {
-  prisma = new PrismaClient()
+if (env.NODE_ENV === 'production' && !process.versions.bun) {
+  prisma = new PrismaClient({
+    log: ['info', 'warn', 'error'],
+  })
 } else {
   if (!global.prisma) {
-    global.prisma = new PrismaClient()
+    global.prisma = new PrismaClient({
+      log: ['info', 'warn', 'error'],
+    })
   }
   prisma = global.prisma
 }