Add an actual readme for project

Readme.MD

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+# Google Keep Shopping List Organizer
+
+This Python script automates the management of shopping lists in Google Keep by moving ticked items from low-priority lists to a primary shopping list.
+
+## Features
+
+- **Automated List Management:** Automatically moves ticked items from specified low-priority lists to a primary list in Google Keep.
+- **First Run Setup:** Guides new users through initial setup, including Google Keep authentication and list configuration.
+- **Configurable List Sets:** Supports multiple sets of primary and low-priority lists.
+- **Local Caching:** Caches Google Keep notes locally to reduce API calls and speed up operations.
+- **Cross-Platform Support:** Works on both Windows and Linux, with additional system tray support on Windows.
+
+## Installation Instructions
+
+1. Ensure you have Python 3.x installed on your system.
+2. Clone this repository or download the script to your local machine.
+3. Install the required Python packages:
+
+   ```bash
+   pip install -r requirements.txt
+   ```
+
+4. Obtain a Google Keep Master Token. Instructions for obtaining this token can be found in the included DockerFile.
+
+## Usage Examples
+
+To start the script, navigate to the directory containing the script and run:
+
+```bash
+python MoveLowPrioritytoShoppingList.py
+```
+
+On the first run, the script will prompt you for your Google Keep username and master token, as well as the names of your primary and low-priority shopping lists.
+
+## Configuration Options
+
+The script generates a `config.json` file during the first run, which stores:
+
+- Google Keep username
+- Number of list sets
+- Names of primary and low-priority lists
+
+You can edit this file directly to change your configuration settings.
+
+## Contribution Guidelines
+
+Contributions are welcome! If you'd like to contribute, please:
+
+1. Fork the repository.
+2. Create a new branch for your feature or fix.
+3. Commit your changes.
+4. Push to the branch.
+5. Submit a pull request.
+
+## Testing Instructions
+
+Currently, there are no automated tests for this script. Manual testing can be done by running the script and verifying that items are correctly moved between lists in Google Keep.
+
+## Acknowledgements/Credits
+
+- **Author:** Protik Banerji <protik09@gmail.com>
+- Thanks to the developers of `gkeepapi`, `keyring`, `maskpass`, `simplejson`, and `infi.systray` for their excellent libraries that made this project possible.
+
+## Usage
+
+The script will run in the background, checking for changes to the specified shopping lists every 0.5 seconds.
+
+## License
+
+This project is licensed under the GNU General Public License v3.0 - see the LICENSE file for details.