platform-v2-alpha.9

Change logs:

• add Git Logs view with graphs

platform-v2-alpha.8

Merge pull request #118 from Coding/hackape/git-blame

redesign the modeling of tab/editor/file/filetree + git blame feature

platform-v2-alpha.7

Merge pull request #117 from Coding/hackape/pane-tabGroup-fix

:sparkle: open tab to newly created file

platform-v2-alpha.6.1

:bug: fix a bug in webpack config :wrench: change external cdn source…