Add email sign up on all pages

[ladetawak]

[Erioldoesdesign]

Okay - added here and it works: https://opendesign.ushahidi.com/bangalore-designup-2019/

Will add across all pages asap

[Erioldoesdesign]

Can I get a team member to go through all the live pages and see if this is done?

@thomaskueber @klickass @thesocialdetail ?