How do I import a csv when using the Truecharts version?

[kmanan]

I'm sure I'm missing something basic because I can't figure out how to import a csv in my TrueCharts installation. Am I reading the FAQ section correctly there's no UI support for uploading it and I need to run the import command with the file in the container?

I am getting the error script/format not found. I'm following this https://github.com/GrantBirki/ghostfolio#importing-data-