You can find config file in
no-polaroid/config/shared.lua.Media Upload
Images are uploaded using the media upload system configured in no-base. See the Media Upload documentation for available providers and configuration options.
Date Locale
You can specify date locale for polaroid dates. Intl.DateTimeFormat.
Keys
You can set default keys for mapping from Config.Keys.
Filters
You can add & remove filters from Config.Filters. Filter List.
Adding As Item
If you are using supported inventory you can set item names from Config.Items or check for use events.