chore: 1.0.0-beta.2 changelog

CHANGELOG.md

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+# [](https://github.com/vuejs/vuepress/compare/v1.0.0-beta.2...v) (2019-06-05)
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+# [1.0.0-beta.2](https://github.com/vuejs/vuepress/compare/v1.0.0-beta.1...v1.0.0-beta.2) (2019-06-05)
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+### Bug Fixes
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+* **$core:** failed to render `<Content />` with dynamic pageKey from current $page. ([83b02ba](https://github.com/vuejs/vuepress/commit/83b02ba))
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 # [](https://github.com/vuejs/vuepress/compare/v1.0.0-beta.1...v) (2019-06-05)