To create a new DuckDB database, go through the same flow as above but
enter a new path (where there is no existing file) in the “Database” form field.
Go through the same flow as above but enter a value starting with md: into the “Database” form field.
Click “Save”, then wait for the MotherDuck confirmation page to open in your web browser. This may take a while the first time you connect to MotherDuck. This is due to the MotherDuck extension being downloaded and installed by DuckDB.