update telegram group message example

examples/Telegram_Group/Telegram_Group.ino

@@ -0,0 +1,34 @@
+// Example Telegram Group Message
+// Github :
+// https://github.com/hafidhh
+// https://github.com/hafidhh/Callmebot_ESP8266
+
+#include <ESP8266WiFi.h>
+#include <Callmebot_ESP8266.h>
+
+const char* ssid = "your_ssid";
+const char* password = "your_password";
+
+String apiKey = "@your_username/phonenumber";
+String message = "your_text_message";
+
+void setup() {
+  Serial.begin(115200);
+
+  WiFi.begin(ssid, password);
+  Serial.println("Connecting");
+  while(WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+  Serial.println("");
+  Serial.print("Connected to WiFi network with IP Address: ");
+  Serial.println(WiFi.localIP());
+
+  // Telegram Group Message
+  telegramGroup(apiKey, message);
+}
+
+void loop() {
+
+}