chore: format YAML with Prettier

packages/xo-server/sample.config.yaml

@@ -46,14 +46,12 @@
 
 # Configuration of the embedded HTTP server.
 http:
-
   # Hosts & ports on which to listen.
   #
   # By default, the server listens on [::]:80.
   listen:
     # Basic HTTP.
-    -
-      # Address on which the server is listening on.
+    - # Address on which the server is listening on.
       #
       # Sets it to 'localhost' for IP to listen only on the local host.
       #
@@ -128,12 +126,10 @@ redis:
   #
   # Default: undefined
   #socket: /var/run/redis/redis.sock
-
   # Syntax: redis://[db[:password]@]hostname[:port][/db-number]
   #
   # Default: redis://localhost:6379/0
   #uri: redis://redis.company.lan/42
-
   # List of aliased commands.
   #
   # See http://redis.io/topics/security#disabling-of-specific-commands
@@ -141,7 +137,6 @@ redis:
   #  del: '3dda29ad-3015-44f9-b13b-fa570de92489'
   #  srem: '3fd758c9-5610-4e9d-a058-dbf4cb6d8bf0'
 
-
 # Directory containing the database of XO.
 # Currently used for logs.
 #