/start should have welcome message and email address should be replaced by username

Evaluate - https://github.com/FightPandemics/FightPandemics-Telegram/pull/31-some might not correct, so developer can put the comment on. I just copy from the slack and create a defect per request.
Passed- able to login and see view profile and see about FP.
Failed - email address should be replaced by username
/start - should have welcome message
Request Help /Offer Help/View My Posts no response
is the checkmark only displaying for the current selection because I see the checkmark check on View My Posts, View My Profile and About Fight Pandemics at :30

https://user-images.githubusercontent.com/70918430/109254552-19bd1d00-77a7-11eb-9997-3c7fa4c9457b.mp4