NUT-06: add urls field

06.md

@@ -39,6 +39,10 @@ With the mint's response being of the form `GetInfoResponse`:
   ],
   "motd": "Message to display to users.",
   "icon_url": "https://mint.host/icon.jpg",
+  "urls": [
+    "https://mint.host",
+    "http://mint8gv0sq5ul602uxt2fe0t80e3c2bi9fy0cxedp69v1vat6ruj81wv.onion"
+  ],
   "time": 1725304480,
   "nuts": {
     "4": {
@@ -90,6 +94,7 @@ With the mint's response being of the form `GetInfoResponse`:
 - (optional) `contact` is an array of contact objects to reach the mint operator. A contact object consists of two fields. The `method` field denotes the contact method (like "email"), the `info` field denotes the identifier (like "[email protected]").
 - (optional) `motd` is the message of the day that the wallet must display to the user. It should only be used to display important announcements to users, such as scheduled maintenances.
 - (optional) `icon_url` is the URL pointing to an image to be used as an icon for the mint. Recommended to be squared in shape.
+- (optional) `urls` is the list of endpoint URLs where the mint is reachable from.
 - (optional) `time` is the current time set on the server. The value is passed as a Unix timestamp integer.
 - (optional) `nuts` indicates each NUT specification that the mint supports and its settings. The settings are defined in each NUT separately.