Make pre-commit happy

Part-of: <https://dev.funkwhale.audio/funkwhale/funkwhale/-/merge_requests/2415>

docs/administrator/installation/debian.md

@@ -323,6 +323,7 @@ Nginx isn't preinstalled on Debian. You can install it by running the following
 $ sudo apt update
 $ sudo apt install nginx
 ```
+
 :::
 
 % Nginx update instructions

docs/administrator/installation/docker.md

@@ -176,6 +176,7 @@ Nginx isn't preinstalled on Debian. You can install it by running the following
 $ sudo apt update
 $ sudo apt install nginx
 ```
+
 :::
 
 % Nginx update instructions

docs/conf.py

@@ -257,4 +257,4 @@ gettext_compact = False
 
 # Don't copy prompts with copybutton
 
-copybutton_exclude = '.linenos, .gp'
+copybutton_exclude = ".linenos, .gp"