[POST] /award-skin

Route Purpose: This Route appends a skin ID to a player in the PlayerSkins table.

Input Parameters:

• playerID (int): Unique identifier of the player.

• skinID (int): Unique identifier of the skin to be assigned.

Functionality:

• Validates the playerID and skinID.

• Checks if the player already owns the skin.

• Appends the skinID to the PlayerSkins table for the given playerID.

• Ensures database integrity and prevents duplicates.

Example Usage:

AppendPlayerSkin(playerID: 1234, skinID: 7);

Database Table Structure: PlayerSkins

Column	Type	Description
playerID	int	Unique player identifier
skinID	int	Unique skin identifier