connectivity_manager 0.0.1

connectivity_manager: ^0.0.1 copied to clipboard

### Key Sections in the README:

1. **Installation**: How to add the package to your project.
2. **Usage**: Instructions on how to use the package, including examples of how to listen for connectivity changes and check initial connectivity.
3. **Connectivity Results**: Explains the possible values returned by the `ConnectivityResult` enum: `none`, `wifi`, and `mobile`.