There are a few options to integrate locize into your code base:
By default a "latest" version is created for your project.
Choose the "Import File" below in the "..." more dropdown on the languages section.
Make sure to add all desired languages.
Also new languages can be added via that dropdown menu. Alternatively, you can navigate to your settings page...
...and and add new languages there:
Like before, you can add new namespace from your project overview or via settings page.
Now click on the created namespace in the "Start to translate" card.
To add a new segment/text click the ADD button.
Enter a segment key and a segment value and click ADD.
Click the SAVE button to confirm your work.