**New Features**:
- Added github_raw_url function [267](https://github.com/opengeos/leafmap/pull/267)
**Improvement**
- Pin ipyleaflet version for Colab [269](https://github.com/opengeos/leafmap/pull/269)
- Improved add data methods to accept HTTP URL [262](https://github.com/opengeos/leafmap/issues/262)
- Changed parameter name to layer_name [262](https://github.com/opengeos/leafmap/issues/262)
- Improved download_file function