Merge pull request #407 from zhengbli/updateReadme

Add description about auto-formatting in README

Author: zhengbli

README.md

@@ -64,6 +64,10 @@ The below features are available via the keyboard shortcuts shown, or via the Co
 |Build		   | (Win)`^B` or `F7`, (OSX) `⌘B` or `F7`   |
 |Error list        | (via Command Palette) |
 
+The "format on key" feature is on by default, which formats the current line after typing `;`, `}` or `enter`.
+To disable it, go to `Preferences` -> `Package Settings` -> `TypeScript` -> `Plugin Settings - User`, and add 
+`"typescript_auto_format": false` to the json file.
+
 Project System
 ------
 The plugin supports two kinds of projects: