feat: add delete all button to history #65

[Amoghhosamane]

Pull Request Details

What issue does this PR address

• [Description]

Associated Issue

• This PR relates to issue #

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes.

Checklist

Complete the check-list below to ensure your branch is ready for PR.

• Screenshots included in linked issue #
• Changes adhere to the style and coding guidelines
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• Any dependent changes have been merged and published in downstream modules
• The update contains no confidential information
• The update has no duplicated content
• No lint check errors are related to these changes (make prep or flutter analyze lib)
• Integration test dart test output or screenshot included in issue #
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Finalising

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• Merge dev into the this branch
• Resolve any conflicts
• Add a one line summary into the CHANGELOG.md
• Push to the git repository and review
• Merge the PR into dev

[gjwgit]

Tested - works as advertised.

Conflicts need to be resolved.

Needs to merge current dev - e.g. #53 has not been fixed in this branch.

[gjwgit]

It's messy but merging to dev and then fix there.