Tox-ignore-env-name-mismatch

Update README and example after upstream bug is fixed.

What's Changed
* Update examples by masenf in https://github.com/masenf/tox-ignore-env-name-mismatch/pull/5


**Full Changelog**: https://github.com/masenf/tox-ignore-env-name-mismatch/compare/v0.2.0...v0.2.0.post1

[BREAKING] https://github.com/masenf/tox-ignore-env-name-mismatch/issues/3 Rewrite plugin to use Public API

To upgrade to v0.2, change `ignore_env_name_mismatch = true` to `runner = ignore_env_name_mismatch`.

What's Changed
* Use Public API by masenf in https://github.com/masenf/tox-ignore-env-name-mismatch/pull/4
* bold last line of why by masenf in https://github.com/masenf/tox-ignore-env-name-mismatch/pull/2



**Full Changelog**: https://github.com/masenf/tox-ignore-env-name-mismatch/compare/v0.1...v0.2.0