pro-essentials-workshop/src/028-mutability /105-includes-on-readonly-arrays.explainer.ts

[supervanya]

Looks like this was fixed it in TS and now no longer errors.

So this lesson probably can be omitted:
https://github.com/total-typescript/pro-essentials-workshop/blob/main/src/028-mutability/105-includes-on-readonly-arrays.explainer.ts

TSPlayground proof