Provide short links to individual proverbs

[yannk]

In code reviews, I'd like to point to short(ish) urls of individual proverbs.

Something like:

• https://go-proverbs.github.io/dont-panic
• https://go-proverbs.github.io/memory-communication
• https://go-proverbs.github.io/clear-vs-clever
• ...

The short urls should probably be given some thoughts.

Happy to provide a PR, if you find it's worth the effort.