em dash not rendering

[m4sterbunny]

Describe the bug

See https://docs.linea.build/technology/message-service#how-does-it-do-it

em-dash not rendering, getting -- instead.
Consider html —
Docusaurus should handle that gracefully

Steps to reproduce

detailed above

Expected behavior

na

Link(s)

https://docs.linea.build/technology/message-service#how-does-it-do-it

[m4sterbunny]

#1308