Introducing PolygonTokenHook: An Asynchronous Hook for Verifying Polygon Token Ownership

[kingster-will]

This PR introduces a new asynchronous hook named PolygonTokenHook. This hook is used to verify a user owning specific Polygon tokens.

Changes

• A new contract PolygonTokenHook is added which extends from AsyncBaseHook. This contract is initialized with the address of the access control contract and the address of the callback caller contract during deployment. The callback caller address is immutable and cannot be changed after deployment.
• The contract emits a PolygonTokenBalanceRequest event which includes the request ID, requester address, token address, token owner address, callback address, and callback function signature.
• The PolygonToken library is introduced, which defines the Config and Params structs used in the PolygonTokenHook.