meta: update repo in package.json
meta: update repo in package.json

currently the package.json still refers to the jadejs org

This patch replaces it with the pugjs org

pugjs/jade,pugjs/pug,jadejs/then-jade,pugjs/then-jade,omixen/jade,pugjs/jade,omixen/jade,pugjs/pug,jadejs/then-jade,pugjs/then-jade