Hiro Inventory Sample Project [DX-932]

[DannyIsYog]

This PR adds the sample project for the Hiro Inventory System, showcasing:

• Item Codex, displays all the items available in the system (the drop-down next to the grant button).
• Granting and Removing items from the player inventory.
• Consuming items and getting the respective on consume rewards
• Item information (quantity, name description, additional properties)

See: https://linear.app/heroiclabs/issue/DX-932/hiro-inventory-sample-project

[linear]

DX-932 Hiro Inventory sample project