A CSV metabase driver based on incredible csvjdbc driver. I've been modified it to work with metabase.
Put this file on your metabase/plugins directory and restart Metabase. You'll see a CSV driver option on database creation.
You could see this video too.
Check how to load a CSV file by filesystem and how to load a CSV file by HTTP for more information.
If your data contains date values check this video.
Maybe you want to see this one about data types.
follow these instructions
read and understand steps below