Added native token top-up and withdraw functionality in VRFv2PlusSubscriptionManager contract.

[SyedAsadKazmi]

Some devs are asking for this functionality, as can be seen from this Eth-StackExchange post, so I've added thetopUpSubscriptionWithNativeToken and withdrawNativeToken functions to support the same.

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Name	Status	Preview	Updated (UTC)
documentation	✅ Ready (Inspect)	Visit Preview	Dec 19, 2024 3:38pm

[QingyangKong]

Hi @SyedAsadKazmi , thanks for the contribution. Since this PR is to help users to fund the vrf 2.5 subscription with native tokens, I think it might be a good idea that you can also add a new function to allow them to request randomness with native payment.

For now, although users can fund the subscription with native tokens, there is no function in the contract for them to request randomness with native balance.

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[SyedAsadKazmi]

Hi @SyedAsadKazmi , thanks for the contribution. Since this PR is to help users to fund the vrf 2.5 subscription with native tokens, I think it might be a good idea that you can also add a new function to allow them to request randomness with native payment.

For now, although users can fund the subscription with native tokens, there is no function in the contract for them to request randomness with native balance.

Hello @QingyangKong,

Thanks for the feedback. I've added the enableNativePayment argument to the requestRandomWords() function. Please check.