refactor: migrate from Next.js to SolidJS and GraphQL

- Converted web application from Next.js to SolidJS with Vite
- Replaced React components with SolidJS components
- Implemented GraphQL client using URQL
- Added authentication, room, and chat components
- Updated project structure and configuration files
- Removed unnecessary Next.js and docs-related files
- Added Docker support for web and API applications

apps/api/README.md

@@ -0,0 +1,91 @@
+# Unreal Chat API
+
+The backend API for the Unreal Chat application, built with Apollo Server, GraphQL, and Prisma.
+
+## Features
+
+- GraphQL API with Apollo Server
+- Real-time subscriptions for messages and rooms
+- Prisma ORM with MariaDB
+- User authentication
+- Chat rooms and messaging
+
+## Getting Started
+
+### Prerequisites
+
+- Node.js (v18 or later)
+- npm (v10 or later)
+- MariaDB or MySQL
+
+### Installation
+
+1. Install dependencies:
+
+```bash
+npm install
+```
+
+2. Set up the database:
+
+Make sure you have MariaDB running and update the connection string in `prisma/.env` if needed.
+
+3. Run Prisma migrations:
+
+```bash
+npm run prisma:migrate
+```
+
+4. Start the development server:
+
+```bash
+npm run dev
+```
+
+The API will be available at http://localhost:4000/graphql.
+
+## Available Scripts
+
+- `npm run dev` - Start the development server
+- `npm run build` - Build the application
+- `npm run start` - Start the production server
+- `npm run prisma:generate` - Generate Prisma client
+- `npm run prisma:migrate` - Run Prisma migrations
+- `npm run prisma:studio` - Open Prisma Studio
+
+## API Documentation
+
+### Authentication
+
+For development purposes, authentication is simplified. In a production environment, you would use JWT tokens.
+
+### GraphQL Schema
+
+The GraphQL schema includes the following main types:
+
+- `User`: Represents a user in the system
+- `Room`: Represents a chat room
+- `Message`: Represents a message in a chat room
+
+### Queries
+
+- `me`: Get the current user
+- `users`: Get all users
+- `user(id: ID!)`: Get a user by ID
+- `rooms`: Get all public rooms
+- `room(id: ID!)`: Get a room by ID
+- `messages(roomId: ID!)`: Get messages in a room
+
+### Mutations
+
+- `register(email: String!, username: String!, password: String!)`: Register a new user
+- `login(email: String!, password: String!)`: Login a user
+- `createRoom(name: String!, description: String, isPrivate: Boolean)`: Create a new room
+- `joinRoom(roomId: ID!)`: Join a room
+- `leaveRoom(roomId: ID!)`: Leave a room
+- `sendMessage(content: String!, roomId: ID!)`: Send a message to a room
+
+### Subscriptions
+
+- `messageAdded(roomId: ID!)`: Subscribe to new messages in a room
+- `roomAdded`: Subscribe to new rooms