doc updates.md

[RizaFarheen]

Fixed the 404 error for the existing task input link and some minor updates on the content.

Pull Request type

• [ ] Bugfix
• [ ] Feature
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes (Please run ./gradlew generateLock saveLock to refresh dependencies)
• [ ] WHOSUSING.md
• [x] Other (please describe):

NOTE: Please remember to run ./gradlew spotlessApply to fix any format violations.

Changes in this PR

Describe the new behavior from this PR, and why it's needed Issue #

Alternatives considered

Describe alternative implementation you have considered