feat: enhance chat room UI with user avatars and message improvements

- Added user avatar generation with external avatar service
- Implemented message styling with user-specific layouts
- Added message length counter and validation
- Updated CSS for improved message and user profile display
- Restricted message length to 2048 characters
- Added disabled state for send button based on message length

apps/api/src/index.ts

@@ -9,7 +9,7 @@ import { PrismaClient } from '@prisma/client';
 import fastifyCors from '@fastify/cors';
 import { z } from 'zod';
 
-dotenv.config({ path: '../../.env' });
+dotenv.config({ path: '../../.env.local' });
 
 const { allowedOrigins, port, host } = z
   .object({