Docs: Describe how to install canary versions

[JoshuaKGoldberg]

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Suggested Changes

We mention in https://github.com/typescript-eslint/typescript-eslint/tree/a4f85b8cfe38ba8ea2a2ac4a56d9b11a81a8a15a#versioning that you can download and install the latest nightly release in the canary branch. But we never actually say how to do that.

Trying out locally, I find myself having to use a --force flag when installing with npm:

npm i @typescript-eslint/eslint-plugin@canary @typescript-eslint/parser@canary --save-dev --force

Yarn doesn't seem to need that:

yarn add @typescript-eslint/eslint-plugin@canary @typescript-eslint/parser@canary --save-dev

We should document this on the site. Especially for situations like #5688 where many people want to use the canary version, it should be clear for people how to.

Affected URL(s)

Right now, https://github.com/typescript-eslint/typescript-eslint#versioning. After #5984, perhaps an independent page?