Dashboard layout improvements & bf banner

[abaicus]

All Submissions:

• Have you followed the Optimole Contributing guideline?
• Does your code follow the WordPress' coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

• Improves overall dashboard layout and breakpoints;
• Adds HMR for dashboard dev script;
• Adds BF 2024 banners;

Closes codeinwp/optimole-service#1282.

How to test the changes in this Pull Request:

1. The banners are restricted by the time period right now so you can comment this line out if you want them to display;
2. Ensure that the top banner dismiss works fine;
3. Ensure that the links have the proper UTM params mentioned here;

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully ran tests with your changes locally?

[pirate-bot]

Plugin build for 43b63e9 is ready 🛎️!

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• Download dev

[pirate-bot]

🎉 This PR is included in version 3.13.8 🎉

The release is available on GitHub release

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