feat: embed buttons in github battery

[im-adithya]

Describe the changes you have made in this PR

Adds a button to the GitHub page to make tipping more evident.

Link this PR to an issue

#1442

Type of change (Remove other not matching type)

• feat: New feature (non-breaking change which adds functionality)

Screenshots of the changes (If any)

How has this been tested?

Tested Manually

Checklist

• My code follows the style guidelines of this project and performed a self-review of my own code
• New and existing tests pass locally with my changes
• I checked if I need to make corresponding changes to the documentation (and made those changes if needed)

[github-actions]

🚀 Thanks for the pull request!

Here are the current build files for testing:

• chrome.zip.zip
• firefox.xpi.zip
• opera.crx.zip

Download and unzip the file for your browser. Refer to the readme for detailed install instructions.

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[escapedcat]

In general I like this a lot. If we add more such buttons we should extract that button code somehow.

[im-adithya]

Closing in favor of "The Boost Button" #1939