NUT-06 update: contact field

[callebtc]

Leaving this here as a reminder for the change of the contact field in NUT-06:

In this code base:

cashu-client/lib/src/main/kotlin/me/tb/cashuclient/types/InfoResponse.kt

Line 18 in dc44007

val contact: List<List<String>>,

NUT-06 change: cashubtc/nuts#117

Corresponding changes in cashu-ts: cashubtc/cashu-ts#147

Before:

[["email", "[email protected]"], ["nostr", "npub..."]]

After:

[
  {
    "method": "email",
    "info": "[email protected]"
  },
  {
    "method": "twitter",
    "info": "@me"
  }
]