Add inventory SFX

Adds Inventory SFX, the following cases are covered:

{
    Used,                   // The player used an inventory item which is not a consumable (see below)
    Consumed(Consumable),   // The player used a consumable item
    Gave,                   // The player gave an item to another player
    Given,                  // An item was given to the player
    Swapped,                // Swapping two items in the inventory
    Dropped,                // Dropping any item
    Collected,              // A generic effect when an item is collected from the world
}

Information about these events was added to the temporary documenation: https://gitlab.com/snippets/1942134

Closes #485 (closed)

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