Include candidate's twitter handle in scorecard view

[archived-m]

Social media links here:
http://www.mr.be/candidats/
https://www.ptb.be/candidats
https://ecolo.be/candidats/
https://www.ps.be/#/Election/Candidat
https://www.lecdh.be/nos-candidats-2019

Crowdsourced lists, lots of Flemish handles in it already:
https://docs.google.com/spreadsheets/d/1sroGfMaJapIxqWpkm7IN7YlO0wEpZqSJYSHtb1Ma2mY/edit?usp=sharing