updated CHANGELOG.md

CHANGELOG.md

@@ -7,6 +7,8 @@
 * \#21 [unit test] Complete WinFSP unit tests
 * \#65 [bug] Mount state is not being removed after unmount on Windows
 
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 ## v2.1.0-rc
 
 ### BREAKING CHANGES
@@ -259,3 +261,5 @@
   * Supports re-upload after mount restart for incomplete uploads
   * NOTE: Uploads for all providers are full file (no resume support)
     * Multipart upload support is planned for S3
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+---