How to transfer plugin into Cypress 10 and above

[ioan-solovastru]

Hello,
I am trying to integrate Cypress with qTest and I am stuck at one step that requires to define a plugin file. I am using a version of Cypress that is above 10 and I am not sure how to do that on this version.

Basically, in the tutorial here https://github.com/QASymphony/cypress-sample it is mentioned that I have to add define the index.js file like this:
index.js.txt

Can somebody help me on how I can transfer the content of the file above in the cypress.config.js? At least this is what I understood from the cypress configuration that is the new file for plugins.