Ship the babelrc file to npm
Ship the babelrc file to npm

We ship the source files, so it probably makes sense to ship the
babelrc that tells you how to compile them.

matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk