Add example for readme

README.md

@@ -10,5 +10,104 @@ CUBETIQ_TELEGRAM_TOKEN: Telegram Bot Token
 CUBETIQ_TELEGRAM_RECEIVER: Telegram Chat Id to receiver the message
 ```
 
+# Example
+- Kotlin
+```kotlin
+package com.cubetiqs.example
+
+import com.cubetiqs.messaging.client.telegram.TelegramBotUtils
+import com.cubetiqs.messaging.client.telegram.TelegramConfig
+import com.cubetiqs.messaging.client.telegram.TelegramProvider
+import org.junit.jupiter.api.Test
+import java.io.File
+
+class TelegramExampleKotlinTests {
+    private val token = TelegramConfig.POS_SYSTEM_ID
+    private val chatId = "-360594386"
+
+    @Test
+    fun sendMessage() {
+        val text = "Hello World"
+        TelegramBotUtils.sendMessage(
+            chatId = chatId,
+            token = token,
+            text = text,
+        )
+    }
+
+    @Test
+    fun sendDocument() {
+        val text = "My document caption"
+        TelegramBotUtils.sendDocument(
+            chatId = chatId,
+            token = token,
+            text = text,
+            filename = "my exam paper.png",
+            document = File("src/main/resources/cubetiq.png").readBytes(),
+        )
+    }
+
+    @Test
+    fun sendMessageProvider() {
+        val text = "Hello World from Provider"
+        TelegramProvider.sendMessage(
+            chatId = chatId,
+            token = token,
+            text = text,
+        )
+    }
+}
+```
+- Java
+```java
+package com.cubetiqs.example;
+
+import com.cubetiqs.messaging.client.telegram.TelegramBotUtils;
+import com.cubetiqs.messaging.client.telegram.TelegramConfig;
+import com.cubetiqs.messaging.client.telegram.TelegramProvider;
+import org.junit.jupiter.api.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+
+public final class TelegramExampleJavaTests {
+    private final String token = TelegramConfig.getToken();
+    private final String chatId = TelegramConfig.getReceiver();
+
+    @Test
+    public void sendMessage() {
+        String text = "Hello, Sambo!";
+        TelegramBotUtils.sendMessage(
+                chatId,
+                text,
+                token
+        );
+    }
+
+    @Test
+    public void sendDocument() throws IOException {
+        String text = "Hello, Sambo with my paper!";
+        File file = new File("src/main/resources/cubetiq.png");
+        TelegramBotUtils.sendDocument(
+                chatId,
+                text,
+                "my paper.png",
+                Files.readAllBytes(file.toPath()),
+                token
+        );
+    }
+
+    @Test
+    public void sendMessageProvider() {
+        String text = "Hello, Sambo with Provider!";
+        TelegramProvider.sendMessage(
+                chatId,
+                text,
+                token
+        );
+    }
+}
+```
 # Contributors
 - Sambo Chea <sombochea@cubetiqs.com>