docs: update README with project rebranding, structure, and setup instructions

README.md

@@ -1 +1,47 @@
-# task_manager
+# SmartTask
+
+A task and project management application featuring a Node.js/Express/MongoDB backend and a Vanilla HTML/CSS/JS frontend.
+
+## Project Structure
+
+- `backend/`: Contains the Express server, MongoDB models, and API routes.
+- `frontend/`: Contains the vanilla HTML, CSS, and JavaScript for the user interface.
+
+## Getting Started
+
+### Backend Setup
+
+1. Navigate to the backend directory:
+   ```bash
+   cd backend
+   ```
+2. Install dependencies:
+   ```bash
+   npm install
+   ```
+3. Set up environment variables:
+   Copy `.env.example` to a new file named `.env` and fill in your MongoDB connection string and JWT secret.
+   ```bash
+   cp .env.example .env
+   ```
+4. Start the development server:
+   ```bash
+   npm run dev
+   ```
+
+### Frontend Setup
+
+The frontend is built with vanilla web technologies, so no build step is required. 
+You can serve the frontend files using a local development server (like VS Code's Live Server extension) or any static file server.
+
+1. Navigate to the frontend directory:
+   ```bash
+   cd frontend
+   ```
+2. Open `index.html` in your browser or start a local server to view the application.
+
+## Features
+
+- **User Authentication**: Secure signup and login using JWT.
+- **Project Management**: Create and manage different projects.
+- **Task Management**: Create, update, and organize tasks within projects.