Make a note in README that this repo is not for https://pypi.org/project/spdx-license-matcher/ #32
Description
When a user use
pip install spdx-license-matcher
it will install a package from PyPI https://pypi.org/project/spdx-license-matcher/
Which is not the same as the package from this repo.
We may like to have a notes on this to avoid confusion.