Merge pull request #56 from openwebf/feat/doc_update

doc: update benchmark result

Author: ErosZy

README.md

@@ -58,4 +58,4 @@ Result: 573/75124 errors, 1388 excluded, 7844 skipped, 573 new
 | Box2D   | 5264        | 4089| +28.77 |
 | Typescript  | 19108        | 13787| +38.59 |
 | Total Score | 3262        | 2339| +39.46 |
-| File Size(KB) | 1.5M        | 1.3M        | -15.38% |
+| File Size | 1.5M        | 1.3M        | -15.38 |