Add markdown linting (without breaking the site this time!)

manuscript/recipes/emby.md

@@ -18,7 +18,7 @@ I've started experimenting with Emby as an alternative to Plex, because of the a
 
 We'll need a location to store Emby's library data, config files, logs and temporary transcoding space, so create /var/data/emby, and make sure it's owned by the user and group who also own your media data.
 
-```
+```bash
 mkdir /var/data/emby
 ```
 
@@ -26,7 +26,7 @@ mkdir /var/data/emby
 
 Create emby.env, and populate with PUID/GUID for the user who owns the /var/data/emby directory (_above_) and your actual media content (_in this example, the media content is at **/srv/data**_)
 
-```
+```bash
 PUID=
 GUID=
 ```
@@ -82,4 +82,4 @@ Log into your new instance at https://**YOUR-FQDN**, and complete the wizard-bas
 [^2]: Got an NVIDIA GPU? See [this blog post](https://www.funkypenguin.co.nz/note/gpu-transcoding-with-emby-plex-using-docker-nvidia/) re how to use your GPU to transcode your media!
 [^3]: We don't bother exposing the HTTPS port for Emby, since [Traefik](/ha-docker-swarm/traefik/) is doing the SSL termination for us already.
 
---8<-- "recipe-footer.md"
+--8<-- "recipe-footer.md"