update README.md

[MmeMarieLouise]

• [x] add team members
• [x] areas
• [x] slack channel link
• [x] schedule plan

[MmeMarieLouise]

Hey @AbigailMesrenyameDogbe, when you have time please have a look here let me know what you think

[MmeMarieLouise]

The most important information has been added so I'll close this ticket. We can update it with new information as we go along