Auth implemented

README.md

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+# Unisono Project
+
+This project implements a collaborative idea generation and harmonization tool.
+
+## Simple HTTP Auth Feature
+
+This feature provides a basic HTTP authentication mechanism for the Single Page Application (SPA).
+
+### Setup
+
+1.  **Create a `.env` file in the `backend/` directory**:
+    ```bash
+    cd backend
+    touch .env
+    ```
+    Add the following line to `backend/.env`, replacing `YOUR_PASSPHRASE_HERE` with your desired secret passphrase:
+    ```
+    AUTH_PASSPHRASE=YOUR_PASSPHRASE_HERE
+    ```
+    *Note: If `AUTH_PASSPHRASE` is missing or empty, the application will start without authentication.*
+
+2.  **Build and run the application using Docker Compose**:
+    ```bash
+    docker-compose up --build
+    ```
+    This will build the frontend and backend services and start them.
+
+### Usage
+
+1.  **Access the application**:
+    Open your web browser and navigate to `http://localhost:3000`.
+
+2.  **Enter the passphrase**:
+    You will be presented with a screen prompting you to enter the passphrase. Enter the passphrase you configured in `backend/.env`.
+
+3.  **Access the SPA**:
+    Upon successful authentication, you will gain access to the Single Page Application. Your access will be preserved for the duration of your browser session.