Turned textfield into input field inside talk template

Delete .github/ISSUE_TEMPLATE/give-a-talk-at-lisboajs.md

Rename give-a-talk.yaml to give-a-talk.yml

Create config.yml

Created an issue form for giving a talk

Update give-a-talk-at-lisboajs.md

Create talk template

Removed require logos and meetup directory.

Delete nodeschool directory

Update README.md