Add share cards

api/internal/bitcoind/rpc.go

@@ -140,7 +140,7 @@ func isRetryable(err error) bool {
 	if err == nil {
 		return false
 	}
-	// rpcError values come from bitcoind itself — check for warmup/
+	// rpcError values come from bitcoind itself, check for warmup/
 	// loading messages that mean "ask again in a moment".
 	var rerr *rpcError
 	if errors.As(err, &rerr) {