Add eslint-disable to generated files

[adrienharnay]

tslint is disabled, but eslint is not (yet)

TODO:

• Update CHANGELOG.md* with your change (include reference to issue & this PR)
• Make sure all of the significant new logic is covered by tests
• Rebase your changes on master so that they can be merged easily
• Make sure all tests and linter rules pass

[apollo-cla]

@adrienharnay: Thank you for submitting a pull request! Before we can merge it, you'll need to sign the Meteor Contributor Agreement here: https://contribute.meteor.com/

[adrienharnay]

Solves part of #1004

[trevor-scheer]

This is great, thanks @adrienharnay!