Improve documentation readability

docs/messages.md

@@ -6,26 +6,34 @@ A player joined the game.
 Tokens:
 - `$PLAYER` - The player that has joined.
 
+---
+
 ### `player.quit`
 A player left the game.
 
 Tokens:
 - `$PLAYER` - The player that has left.
 
+---
+
 ### `player.death`
 A player has died.
 
 Tokens:
 - `$MESSAGE` - The death message shown in chat.
 - `$VICTIM` - The player that has died.
 
+---
+
 ### `player.advancement`
 A player has unlocked an advancement.
 
 Tokens:
 - `$PLAYER` - The player that has unlocked the advancement.
 - `$ADVANCEMENT` - The title of the advancement
 
+---
+
 ### `server.started`
 Embeded message. The server or plugin has started.
 
@@ -34,6 +42,8 @@ Parameters:
 - `description` - The body of the embed.
 - `color` - The colored highlight of the embed in integer format.
 
+---
+
 ### `server.stopped`
 Embeded message. The server or plugin has stopped.