Added "︙" as another UTF-8 character in README.md

This character makes the indent line more appealing to the eye.

The description of the Unicode character follows:

U+FE19	︙	ef b8 99	PRESENTATION FORM FOR VERTICAL HORIZONTAL ELLIPSIS
Merge pull request #93 from bigchirv/patch-1

Added "︙" as another UTF-8 character in README.md