message: Add change log entry for v2.7.0
diff: @@ -8,6 +8,23 @@ This change log follows the format documented in [Keep a CHANGELOG].
  [semantic versioning]: http://semver.org/
  [keep a changelog]: http://keepachangelog.com/
  +## [2.7.0] - 2019-11-07
  +
  +Thanks to [@mzgajner](https://github.com/mzgajner), [@NaridaL](https://github.com/NaridaL), [@Zyten](https://github.com/Zyten), [@leshakoss](https://github.com/leshakoss) and [@fintara](https://github.com/fintara) for contributing to the release.
  +
  +### Fixed
  +
  +- [Fixed a mistake in the Slovenian locale](https://github.com/date-fns/date-fns/pull/1529).
  +
  +### Changed
  +
  +- [Make object arguments types more elaborate in Flow type definitions](https://github.com/date-fns/date-fns/pull/1519).
  +- [Get rid of deprecated Function in Flow type definitions](https://github.com/date-fns/date-fns/pull/1520).
  +
  +### Added
  +
  +- [Added Bulgarian (bg) locale](https://github.com/date-fns/date-fns/pull/1522).
  +
  ## [2.6.0] - 2019-10-22
  Kudos to [@marnusw](https://github.com/marnusw), [@cdrikd](https://github.com/cdrikd) and [@rogyvoje](https://github.com/rogyvoje) for working on the release!
  