Prevent broken category page links

[benschoch]

Hey, this PR should fix #4379, as well as optimize misbehavior described #4283 a bit, by avoiding some broken links on awesome-go.com

I'll add some code comments to clarify the exact purpose of the changes.

Hope it helps... Cheers :)

[avelino]

Thank you for contributing with awesome-go, we will revise your contribution as soon as possible.

Automation body links content check:

• godoc.org or pkg.go.dev: True
• goreportcard.com: False
• coverage: False

your project is about to be approved, it's under revision, it may take a few days

[github-actions[bot]]

This PR has been automatically marked as stale because it has not had recent activity. They will wait 15 days for your interaction, after that the PR will be closed. Please read more in https://github.com/avelino/awesome-go/blob/master/CONTRIBUTING.md

[benschoch]

Dear @avelino, I just rebased the branch after recent merge of my other PR. Let me know if there is anything missing from your POV ;)

[ceriath]

I am reopening this from stale, someone still needs to take a look into it

[github-actions[bot]]

This PR has been automatically marked as stale because it has not had recent activity. They will wait 15 days for your interaction, after that the PR will be closed. Please read more in https://github.com/avelino/awesome-go/blob/master/CONTRIBUTING.md