"theme-component" should be a subcategory instead of a tag

[Canapin (Coin-coin le Canapin)]

@maiki

The difference between a theme component and plugin is already blurry in my head.

Yeah… I guess the difference if for the initiate, especially when you see a topic like this:
“I made a plugin” following after by “I made the exact same thing but using a theme component”