Added the readme

README.md

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+# Collaborative Pixel Art
+
+Collaborative Pixel Art is a web application that allows multiple users to collaboratively create pixel art on a shared canvas in real-time.
+
+## Setup Instructions
+
+To set up the project, follow these steps:
+
+1. **Clone the repository:**
+
+   ```bash
+   git clone https://github.com/elektricm/collaborative-pixel-art.git ```
+
+2. **Install Dependencies:**
+
+Make sure you have Node.js and npm (Node Package Manager) installed on your system. Then, install the project dependencies by running in the project folder:
+    
+    ```npm install ```
+
+3. **Start the server:**
+
+    ```npm start
+
+4. **Open the application in your browser:**
+    
+        Open the following URL in your browser: [http://localhost:3000](http://localhost:3000)
+
+## Features
+
+Usage
+Each user can select a color from the color selector on the right side of the canvas.
+To place a pixel on the canvas, simply click on the desired grid cell using the selected color.
+All connected users will see the changes in real-time as pixels are placed or updated.