Merge npm repo

Changes:

• Merge npm repo into this one to make releases easier
• Update diff package

Fix to Y scrollbar

Bug fix:

• css fix to Y scrollbar on some cases

Version 0.2.4

Bug fix:

• diffs inside the diff where matching random line types and wrongly displayed

Fix HTML escaping on diff

_Fixes:_

• Fixes escaping of html on the diff by escaping only the parts after the diff is performed

Fix highlight

Fixes:

• Fix highlight on lines that changed, the library would not like the starting symbols - and +

Version 0.2.1

v0.2.1

add release script