Adding the lint via https://github.com/matrix-org/eslint-plugin-matrix-org/pull/33

[Morris05]

    Adding the lint via https://github.com/matrix-org/eslint-plugin-matrix-org/pull/33

Originally posted by @MadLittleMods in #2856 (comment)

[MadLittleMods]

Closing as this issue is very odd and probably spam.

Jest linting is being added to this repo via #2973