Add example in java for readme

README.md

@@ -1,5 +1,30 @@
 # Example Java Swing for Send Message App with Telegram
 - Telegram Bot Send Message
 
+# Example
+
+- Send Message to Telegram Channel/Group via Bot
+```java
+String chatId = "TELEGRAM_CHAT_ID";
+String token = "TELEGRAM_BOT_TOKEN";
+String text = "Your message here";
+
+TelegramBotUtils.sendMessage(
+        chatId,
+        text,
+        token,
+        null
+);
+
+// OR use provider
+
+TelegramProvider
+            .init(token)
+            .sendToChatId(chatId)
+            .setMessage(text)
+            .send();
+
+```
+
 # Contributors
 - Sombo Chea <sombochea@cubetiqs.com>