added utilities function for cleaner code

app/utilities/utilities.go

+package utilities
+
+import (
+	"fmt"
+	. "node/types"
+)
+
+func PrintTransaction(trans Transaction) {
+	fmt.Println("--------------------")
+	fmt.Println("Printing transaction")
+	fmt.Println("The id is ", trans.Id)
+	fmt.Println("The sender is ", trans.Sender)
+	fmt.Println("The receiver is ", trans.Receiver)
+	fmt.Println("The amount is ", trans.Amount)
+	fmt.Println("--------------------")
+}
+
+func ListAllTransactions(db Database) {
+	for i, transaction := range db {
+		fmt.Println("***********INDEX N=,", i, "****************")
+		PrintTransaction(transaction)
+		fmt.Println("***********************************")
+	}
+}
+
+func PrintNeighbors(neighbors []Neighbors) {
+	fmt.Println("Printing neighbors")
+	for i, neighbor := range neighbors {
+		fmt.Println("***********INDEX N=,", i, "****************")
+		fmt.Println("The id is ", neighbor.ID)
+		fmt.Println("The address is ", neighbor.Address)
+		fmt.Println("The port is ", neighbor.Port)
+		fmt.Println("***********************************")
+	}
+}
+
+func PrintConfig(config Config) {
+	fmt.Println("Printing config")
+	fmt.Println("The id is ", config.ID)
+	fmt.Println("The address is ", config.Address)
+	fmt.Println("The port is ", config.Port)
+	PrintNeighbors(config.Neighbours)
+}