DOC: adds doc comments to exported functions

Adds comments to console.go exported functions.

console/console.go

@@ -2,10 +2,11 @@ package console
 
 import (
 	"fmt"
-	ui "github.com/gizak/termui/v3"
 	"log"
 	"os"
 	"time"
+
+	ui "github.com/gizak/termui/v3"
 )
 
 const (
@@ -38,10 +39,13 @@ func Init() {
 	}
 }
 
+// Close function calls Close from termui package,
+// which closes termbox-go
 func Close() {
 	ui.Close()
 }
 
+// Exit function exits the program successfully
 func Exit(message string) {
 	if len(message) > 0 {
 		println(message)