feat: add check if wifi connected

lib/DiscordAPI/include/DiscordAPI.h

@@ -5,6 +5,7 @@
 #include <ESP8266HTTPClient.h>
 #include <WiFiClient.h>
 #include <WiFiClientSecureBearSSL.h>
+#include <ESP8266WiFi.h>
 
 class DiscordAPI{
 public:
@@ -16,7 +17,7 @@ public:
 
     bool sendMessage(String message);
 private:
-    
+
     /**
      * @brief webhook URL
      */
@@ -24,14 +25,14 @@ private:
 
     /**
      * @brief http client
-     * 
      */
     HTTPClient* httpClient;
 
-    //WiFiClient* wifiClient;
-
+    /**
+     * @brief wifi client (for https)
+     */
     BearSSL::WiFiClientSecure* wifiClient;
 };
 
 
-#endif //DISCORD_API_H
+#endif //DISCORD_API_H