Improvements to funding flows

[clicksave]

We need to integrate stripe into the funding flow. This ticket introduces the concept of 'Credits', a way for people to fund their controller with apple pay or a credit card txn.

Funding flow should be available in 3 scenarios

• when a txn fails
• when signing up for a new account (unless subsidized by cartridge)
• players can top up credits directly from the credit detail page

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Funding presents a few options as well

For Credits

• Can enter credit card details directly
• Supports apple pay

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For ETH

• Detects if an argent or bravos wallet exists and creates a txn
• Provides details for the user to transfer funds manually

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For other tokens

• If another token is required for the TXN the controller should detect that and provide a funding flow for that token (Lords in this case) Looks similar to the ETH funding flow

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Updates to the way we're rendering gas fees

When the controller is paying for gas (i.e. not subsidized) we should be denominating the fee in USD and showing the token/credits that the fee is being deducted from

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See these flows in Figma