Explore tx-insight API

[FrederikBolding]

We should consider adding permission for snaps to show a tab in the transaction confirmation screen. Once the user initiates a transaction confirmation, a specific snap method would be called passing the transaction information as the argument. The snap can then process the transaction and return formatted data (format tbd) to display in it's own tab of the confirmation screen.

Here's an example of what this could look like (from MetaMask/metamask-extension#14672):