feat: add points schema

[conwayconstar]

Create schema for points

points.json

Each entry in this array corresponds to points available on deposits in a vault. Each item has the following

• token: The token address (in a checksumed hex format) that the points are denominated in. (Required)
• name: The name of the points, for example "Euler Points". (Required)
• description: A long-form description of the points, displayed within points tooltips.
• url: A URL where users can learn more about the points.
• logo: The filename of a logo stored in the logo/ directory. (Required)
• vaults: An array of the vault addresses (in checksumed hex format) that offer these points. Each vault does not need to exist in the vaults.json file. (Required)
• entity: An entity ID that refers to the organisation responsible for governing and/or creating this vault, or a list of entity IDs if the vault is joint-managed.