Update README.md

Author: Nec0ti

README.md

@@ -1 +1,74 @@
-# LibrisAPI
+# LibrisAPI
+
+LibrisAPI is a RESTful API for managing your personal book collection.
+
+## Purpose
+
+This API allows you to:
+
+*   Create, retrieve, update, and delete books.
+*   Authenticate users with JWT (JSON Web Tokens).
+
+## Documentation
+
+For detailed information on how to use the API, please refer to the [LibrisAPI Documentation](https://docs.librisapi.necoti.dev).
+
+## Getting Started
+
+1.  Clone the repository:
+
+    ```bash
+    git clone https://github.com/Nec0ti/LibrisAPI/
+    cd LibrisAPI
+    ```
+
+2.  Install dependencies:
+
+    ```bash
+    npm install
+    ```
+
+3.  Set up environment variables:
+
+    Create a `.env` file with the following variables:
+
+    ```
+    MONGODB_URI=mongodb+srv://<username>:<password>@<cluster>.mongodb.net/<database>?retryWrites=true&w=majority
+    JWT_SECRET=your_jwt_secret_key
+    ```
+
+4.  Start the server:
+
+    ```bash
+    npm run dev
+    ```
+
+## Endpoints
+
+Here are a few basic examples:
+
+*   **Register:** `POST /api/auth/register`
+    ```json
+    {
+      "username": "testuser",
+      "password": "testpassword"
+    }
+    ```
+
+*   **Login:** `POST /api/auth/login`
+    ```json
+    {
+      "username": "testuser",
+      "password": "testpassword"
+    }
+    ```
+
+*   **Get All Books:** `GET /api/books` (requires JWT token in `x-auth-token` header)
+
+## Contributing
+
+We welcome contributions! Please feel free to open issues or submit pull requests.
+
+## License
+
+This project is licensed under the MIT License.