fix: force line endings to lf

[AriPerkkio]

• Published node executable must be lf

Fixes #394.

$ grep version node_modules/live-server/package.json
  "version": "1.2.2",
$ file node_modules/.bin/live-server 
node_modules/.bin/live-server: a /usr/bin/env node script text executable, ASCII text, with very long lines (374), with CRLF line terminators

$ grep version node_modules/live-server/package.json
  "version": "1.2.1",
$ file node_modules/.bin/live-server 
node_modules/.bin/live-server: a /usr/bin/env node script text executable, ASCII text, with very long lines (374)