You don't need to know how to code to start contributing to this plugin! Other contributions are very valuable too, among which: you can test the software and report bugs, you can give feedback, features that you are interested in, user interface, design, ...
You can contribute to this plugin translation.Translations are handled using the [Weblate](https://weblate.org/) software, using [Framasoft Weblate instance](https://weblate.framasoft.org/).
There might be some «very technical» strings. If you are not 100% sure of the meaning, or of your translation, you better not translate it, so it will display in english.