Update Readme

[dasunpubudumal]

Closes #

Changes proposed in this pull request

• A small update in README on how to populate a table in MWLH.

Instructions for Reviewers

[All PRs] - Confirm PR template filled
[Feature Branches] - Review code
[Production Merges to main]
    - Check story numbers included
    - Check for debug code
    - Check version