Add speakers as contributors to the repository

[eirini-zormpa]

This is an issue created to add all speakers (that are happy to be included) as contributors to this repository.

[eirini-zormpa]

@all-contributors please add @LizRem for talk

[allcontributors]

@eirini-zormpa

I've put up a pull request to add @LizRem! 🎉

[eirini-zormpa]

@all-contributors please add @robertachiovoloni for talk

[allcontributors]

@eirini-zormpa

I've put up a pull request to add @robertachiovoloni! 🎉

[eirini-zormpa]

@all-contributors please add @AsraAslam7 for talk

[allcontributors]

@eirini-zormpa

I've put up a pull request to add @AsraAslam7! 🎉

[eirini-zormpa]

@all-contributors pleass add @evelinag for ideas

[allcontributors]

@eirini-zormpa

I've put up a pull request to add @evelinag! 🎉

[eirini-zormpa]

@all-contributors please add @Juillermo for talk

[allcontributors]

@eirini-zormpa

I've put up a pull request to add @Juillermo! 🎉