Update README.md

[vatsaltanna-simformsolutions]

Description

Contributors update in readme.

Checklist

• [ ] The title of my PR starts with a Conventional Commit prefix (fix:, feat:, docs: etc).
• [ ] I have followed the Contributor Guide when preparing my PR.
• [ ] I have updated/added tests for ALL new/updated/fixed functionality.
• [ ] I have updated/added relevant documentation in docs and added dartdoc comments with ///.
• [ ] I have updated/added relevant examples in examples or docs.

Breaking Change?

• [ ] Yes, this PR is a breaking change.
• [ ] No, this PR is not a breaking change.

Related Issues