feat: Added python binding to all functions

+ added docs to all functions

docs/defaultEvents/player/onPlayerEquipSpell.md

@@ -1,5 +1,5 @@
 # `event` onPlayerEquipSpell
-This event is triggered when player equips or unequips scroll or rune. When item is unequiped, `null` is returned instead.
+This event is triggered when player equips or unequips scroll or rune. When item is unequiped, empty `str` is returned instead.
 
 Original: [onPlayerEquipSpell](https://gothicmultiplayerteam.gitlab.io/docs/0.3.0/script-reference/server-events/player/onPlayerEquipSpell/)
 
@@ -7,7 +7,7 @@ Original: [onPlayerEquipSpell](https://gothicmultiplayerteam.gitlab.io/docs/0.3.
 * `dict` **kwargs**:
     * `int` **playerid**: the id of the player who equips a spell.
     * `int` **slotId**: the slot id that the player puts the spell on in range `<0, 6>`.
-    * `str` **str | null**: instance: the item instance from Daedalus scripts.
+    * `str` **instance**: the item instance from Daedalus scripts.
     
 ## Usage
 ```python