docs: Modify README.md in alignment with SendGrid Support#1055

Merged

childish-sambino merged 2 commits intosendgrid:mainfrom

garethpaul:main

May 9, 2022

Commits on May 4, 2022

Modify changes to README.md
garethpaul
authored

Commits on May 7, 2022

Remove ISSUE_TEMPLATE from test_project tests.
garethpaul
authored