Add abbr/dfn to docs for certain terms from the Laravel ecosystem

[shaedrich]

The Laravel ecosystem is growing fast (which is great), however, not everyone can keep up with said growth easily, so a little aid might be appreciated, which could be in terms of an abbr/dfn in the docs, giving a tooltip with a short explanation so that one doesn't always have to check another docs page:

[shaedrich]

Actually, this could also be used for Laravel directories 🤔