csv_reader-0.1.1 is not a library.
language-parser-csv
A parser for having multiple languages in an app.
Example
In this walkthrough, we'll be using Google Sheets as a tool. ###Step 1 - Creating a Table
As you can see, a table with IDs in the first column, and languages in the first row should be created. This should be relatively easy to comprehend.
###Step 2 - Table as .csv