fix: type check examples in README files

[ry]

Fixes #1120

[LionC]

Nitpick: You added imports to the examples in collections/README.md. I would personally prefer if we would import from the function file directly instead of mod.ts (e.g. import { associateBy } from "./associate_by.ts"). Examples often get copied and modified by users and thus influence how people use it. I would like to encourage users to cherry pick modules instead of downloading everything. This would also be consistent with all JSDoc examples in collections.

It is a bit tedious to replace all that by hand - I would be happy to do it tonight if you want.

Thank you for fixing the README either way!

[bartlomieju]

Nitpick: You added imports to the examples in collections/README.md. I would personally prefer if we would import from the function file directly instead of mod.ts (e.g. import { associateBy } from "./associate_by.ts"). Examples often get copied and modified by users and thus influence how people use it. I would like to encourage users to cherry pick modules instead of downloading everything. This would also be consistent with all JSDoc examples in collections.

It is a bit tedious to replace all that by hand - I would be happy to do it tonight if you want.

Thank you for fixing the README either way!

If that's the case, what's the point of having mod.ts in the first place?