fix: move Go Faster to the Free e-books section

[Weetile]

Go Faster has an optional payment, it is possible to get this e-book without payment.

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• [ X ] I have read the Contribution Guidelines
• [ X ] I have read the Maintainers Note
• [ X ] I have read the Quality Standards

Not every repository (project) will require every option, but most projects should. Check the Contribution Guidelines for details.

• [ ] The repo documentation has a pkg.go.dev link.
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Packages added a long time ago might not meet the current guidelines anymore. It would be very helpful if you could check 3-5 packages above and below your submission to ensure that they also still meet the Quality Standards.

Please delete one of the following lines:

• [ ] The packages around my addition still meet the Quality Standards.

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[github-actions[bot]]

Thank you for contributing to awesome-go. We will review your contribution as soon as possible.

Make sure you add the links in the body of the pull request that are requested in the contribution guide:

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[phanirithvij]

Thanks for noticing it has a free download.