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

manuscript/recipes/ghost.md

@@ -6,7 +6,7 @@ description: Ghost - Beautiful online publicatio (who you gonna call?)
 
 [Ghost](https://ghost.org) is "a fully open source, hackable platform for building and running a modern online publication."
 
-![](/images/ghost.png)
+![Ghost screenshot](/images/ghost.png)
 
 --8<-- "recipe-standard-ingredients.md"
 
@@ -16,7 +16,7 @@ description: Ghost - Beautiful online publicatio (who you gonna call?)
 
 Create the location for the bind-mount of the application data, so that it's persistent:
 
-```
+```bash
 mkdir -p /var/data/ghost
 ```
 
@@ -48,7 +48,6 @@ networks:
     external: true
 ```
 
-
 ## Serving
 
 ### Launch Ghost stack
@@ -59,4 +58,4 @@ Create your first administrative account at https://**YOUR-FQDN**/admin/
 
 [^1]: A default using the SQlite database takes 548k of space
 
---8<-- "recipe-footer.md"
+--8<-- "recipe-footer.md"