1.20.0

Features

• ✨ Add "Open File in GitHub" Command, fix #149 (2c216d0)
• ✨ Add Command to open file history on GitHub (e7dd288)
• ✨ Add Diff View (78cd43f), closes #158
• ✨ Add Folder view to Sidebar (919dc44), closes #134
• ✨ Allow multiline commit messages, fix #157 (80ea17e)