Added the record command

Very basic, but it will do for testing

cmd/record.go

@@ -0,0 +1,35 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/ESilva15/BeamNGMockOg/mockserver"
+
+	"github.com/spf13/cobra"
+)
+
+func recordAction(cmd *cobra.Command, args []string) {
+	outputFile, _ := cmd.Flags().GetString("output")
+	address, _ := cmd.Flags().GetString("address")
+	port, _ := cmd.Flags().GetInt("port")
+
+	if err := mockserver.Record(address, port, outputFile); err != nil {
+		fmt.Printf("Something went wrong while recording the file: %v", err)
+	}
+}
+
+// shelf
+var recordCmd = &cobra.Command{
+	Use:   "record",
+	Short: "record -o <path-to-bin-file>",
+	Long: `record will store the data from the given UDP server to the 
+	filepath given by -i`,
+	Args: nil,
+	Run:  recordAction,
+}
+
+func init() {
+	rootCmd.AddCommand(recordCmd)
+
+	recordCmd.PersistentFlags().StringP("output", "o", "output.bin", "output file for recording")
+}