Adjustment: Add Last Commit badge to readme

[durannumit]

Description

Added Last Commit badge to readme

Before	After

Related Issues

Add Last Commit badge to Readme

Checklist

Before you create this PR confirm that it meets all requirements listed below by checking the relevant checkboxes ([x]).
This will ensure a smooth and quick review process.

• I read the Contributor Guide and followed the process outlined there for submitting PRs.
• My PR includes tests for all changed/updated/fixed behaviors.
• All existing and new tests are passing.
• I updated/added relevant documentation (doc comments with ///).
• The analyzer (melos run analyze) does not report any problems on my PR.
• The package compiles with the minimum Flutter version stated in the pubspec.yaml

Breaking Change

Does your PR require plugin users to manually update their apps to accommodate your change?

• Yes, this is a breaking change.
• No, this is not a breaking change.

[github-actions]

Visit the preview URL for this PR (updated for commit d04fee5):

• https://coffeemakerexample--pr258-add-last-commit-badg-d47fhpl6.web.app
• https://playgroundwoltexample--pr258-add-last-commit-badg-okj7gr56.web.app
• https://playgroundnavigator2woltexample--pr258-add-last-commit-drz1mc80.web.app
• https://coffeemakernavigator2--pr258-add-last-commit-badg-ikd9zo0q.web.app

_{(expires Sun, 14 Jul 2024 22:34:14 GMT)}

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