Ruby annotation

The recent Lemmy 0.18.1 update has introduced support for ruby annotation that allow users to, for example, post furigana text.

For example, the following markdown:
`{電車|でんしゃ}`

Will appear as (imagine it’s furigana since I don’t think Github supports it)

でんしゃ
電車

see: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/ruby