Add to and update docs.

docs/examples/command-handling.md

@@ -6,55 +6,55 @@ This is a simple example of changing behavior based on a provided command.
 package main
 
 import (
-    "log"
-    "os"
+	"log"
+	"os"
 
-    "github.com/go-telegram-bot-api/telegram-bot-api"
+	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
 )
 
 func main() {
-    bot, err := tgbotapi.NewBotAPI(os.Getenv("TELEGRAM_APITOKEN"))
-    if err != nil {
-        log.Panic(err)
-    }
+	bot, err := tgbotapi.NewBotAPI(os.Getenv("TELEGRAM_APITOKEN"))
+	if err != nil {
+		log.Panic(err)
+	}
 
-    bot.Debug = true
+	bot.Debug = true
 
-    log.Printf("Authorized on account %s", bot.Self.UserName)
+	log.Printf("Authorized on account %s", bot.Self.UserName)
 
-    u := tgbotapi.NewUpdate(0)
-    u.Timeout = 60
+	u := tgbotapi.NewUpdate(0)
+	u.Timeout = 60
 
-    updates := bot.GetUpdatesChan(u)
+	updates := bot.GetUpdatesChan(u)
 
-    for update := range updates {
-        if update.Message == nil { // ignore any non-Message updates
-            continue
-        }
+	for update := range updates {
+		if update.Message == nil { // ignore any non-Message updates
+			continue
+		}
 
-        if !update.Message.IsCommand() { // ignore any non-command Messages
-            continue
-        }
+		if !update.Message.IsCommand() { // ignore any non-command Messages
+			continue
+		}
 
-        // Create a new MessageConfig. We don't have text yet,
-        // so we leave it empty.
-        msg := tgbotapi.NewMessage(update.Message.Chat.ID, "")
+		// Create a new MessageConfig. We don't have text yet,
+		// so we leave it empty.
+		msg := tgbotapi.NewMessage(update.Message.Chat.ID, "")
 
-        // Extract the command from the Message.
-        switch update.Message.Command() {
-        case "help":
-            msg.Text = "I understand /sayhi and /status."
-        case "sayhi":
-            msg.Text = "Hi :)"
-        case "status":
-            msg.Text = "I'm ok."
-        default:
-            msg.Text = "I don't know that command"
-        }
+		// Extract the command from the Message.
+		switch update.Message.Command() {
+		case "help":
+			msg.Text = "I understand /sayhi and /status."
+		case "sayhi":
+			msg.Text = "Hi :)"
+		case "status":
+			msg.Text = "I'm ok."
+		default:
+			msg.Text = "I don't know that command"
+		}
 
-        if _, err := bot.Send(msg); err != nil {
-            log.Panic(err)
-        }
-    }
+		if _, err := bot.Send(msg); err != nil {
+			log.Panic(err)
+		}
+	}
 }
 ```