I’ve done this before and it’s pretty simple!
All you have to do is have somewhere public where to host information like github. Upload your txt file and use the web API component.
What you have is a long sting of your data. So I would put certain things in your text to get like an ID and the value.
That way you if you get that string and divide it into a list using the block
You get your data, then you can store it in your app as variables.
To change the labels let’s say to a specific language all you have to do is just change the URL you’re using for the labels