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

manuscript/recipes/miniflux.md

@@ -26,7 +26,7 @@ I've [reviewed Miniflux in detail on my blog](https://www.funkypenguin.co.nz/rev
 
 Create the location for the bind-mount of the application data, so that it's persistent:
 
-```
+```bash
 mkdir -p /var/data/miniflux/database-dump
 mkdir -p /var/data/runtime/miniflux/database
 
@@ -36,7 +36,7 @@ mkdir -p /var/data/runtime/miniflux/database
 
 Create ```/var/data/config/miniflux/miniflux.env``` something like this:
 
-```
+```bash
 DATABASE_URL=postgres://miniflux:secret@miniflux-db/miniflux?sslmode=disable
 POSTGRES_USER=miniflux
 POSTGRES_PASSWORD=secret
@@ -52,7 +52,7 @@ ADMIN_PASSWORD=test1234
 
 Create ```/var/data/config/miniflux/miniflux-backup.env```, and populate with the following, so that your database can be backed up to the filesystem, daily:
 
-```
+```env
 PGHOST=miniflux-db
 PGUSER=miniflux
 PGPASSWORD=secret
@@ -124,7 +124,6 @@ networks:
         - subnet: 172.16.22.0/24
 ```
 
-
 ## Serving
 
 ### Launch Miniflux stack
@@ -135,4 +134,4 @@ Log into your new instance at https://**YOUR-FQDN**, using the credentials you s
 
 [^1]: Find the bookmarklet under the **Settings -> Integration** page.
 
---8<-- "recipe-footer.md"
+--8<-- "recipe-footer.md"