Cleanup & refactor
- Added param for IGN. Only show Nantes borders if not IGN.
- Increased initial zoom.
- Extracted MIN_GTI as a constant in the Notebook
- Refactored the project folder : cleanup files at root level.
- Make WPS call more generic to support other endpoints.
- Added mechanism of unique name for nc files, based on params : avoiding the need to delete 'default file' beforehand.
- Added link to downloaded file in output cell.