Jagadeesh Branch

Needs a lot of other related changes also to be done as part of the upgrade : https://react-native-community.github.io/upgrade-helper/?from=0.62.2&to=0.68.2 and thoroughly tested.

@nsingh-branch : This file can be inside github folder at root level like `./.github/PULL_REQUEST_TEMPLATE.md` instead of `./.github/.github/PULL_REQUEST_TEMPLATE.md`