Updated Events (markdown)

Events.md

@@ -1,3 +1,5 @@
+
+## Listen to events
 Events are everywhere, they are as simple as
 ```java
 player.addEventCallback(EVENT_CLASS, event -> {
@@ -16,7 +18,18 @@ for example
             });
 ```
 
-Basics events are listed [here](https://github.com/Minestom/Minestom/tree/master/src/main/java/net/minestom/server/event) but nothing prevents you from creating your own.
+Basics events are listed [here](https://github.com/Minestom/Minestom/tree/master/src/main/java/net/minestom/server/event)
+
+The recommended way of how and where to put the listeners is by using ConnectionManager#addPlayerInitialization, it is basically called just after the player object to be created
+
+```java
+connectionManager.addPlayerInitialization(player -> {
+  // Do what you want with the player
+  // player.addEventCallback ...
+});
+```
+
+## Create a custom event
 
 In order to do so, you need a class which extends Event or CancellableEvent and finally call it by doing
 ```java