Add a "topics" links in zine.toml

[kevinyin9]

Hi all,

Thanks for creating this amazing website. It is a gold for rustaceans! Love it so much!

To find particular topic of articles, we could add "topics" link at the top of the website.

Also, I found that many articles did not use proper topics or miss some topics. I am willing to help adding them as I can.

[Folyd]

Hi, feel free to submit PR to rectify the topic, you can find the topics link in the footer: