Basal-and-bark

**Improvement**:

- Handled error if user selects outside of states when trying to retrieve API data.

**Improvement**:

- Improving documentation.

**Improvement**:

- Both FIADB-API and GEE functionalities were added along with new interactive widgets to explore forestry datasets.

**Improvement**:

- Added a function that, when called, adds a dropdown widget that provides options for a user to select a basemap.

**New Features**:

- add_interactive_basemap()

**Improvement**:

- Added methods for adding raster data and a static image to map.

**New Features**:

- add_raster(url)
- add_image(url)

**Improvement**:

- Added methods ffor adding vector data, and added new folium class module.

**New Features**:

- Map(ipyleaflet) class
- Map_Folium(folium.map) class
- For each class added add_shp(), add_geojson(), add_vector()