Pull hrhackathon2020 (#507)
Pull hrhackathon2020 (#507)

* Update 04.json

* added hr hackathon 2020

added hr hackathon 2020 by eva.zils@online-recruiting.net

* Update 04.json
Hackalist/Hackalist.github.io,Hackalist/Hackalist.github.io,KevinPayravi/Hackalist.github.io,KevinPayravi/Hackalist.github.io