Added initial Melody Playback Ability

Now, controlled via MQTT a Playback of a melody can Start, Stop, Pause 
etc. 

Settings like speed, total duration, pauses etc can be set.

build/sketch/ESP32_Utils.hpp

@@ -0,0 +1,41 @@
+#line 1 "C:\\Users\\espi_\\Documents\\Arduino\\vesper\\ESP32_Utils.hpp"
+void ConnectWiFi_STA(bool useStaticIP = false) 
+{
+  Serial.println("");
+  WiFi.mode(WIFI_STA); 
+  if(useStaticIP) {
+    WiFi.config(ip, gateway, subnet);
+    WiFi.setHostname(hostname);
+  }
+  WiFi.begin(ssid, password);
+
+  while (WiFi.status() != WL_CONNECTED) { 
+    delay(100);  
+    Serial.print('.'); 
+  }
+ 
+  Serial.println("");
+  Serial.print("Iniciado STA:\t");
+  Serial.println(ssid);
+  Serial.print("IP address:\t");
+  Serial.println(WiFi.localIP());
+}
+
+void ConnectWiFi_AP(bool useStaticIP = false)
+{ 
+  Serial.println("");
+  WiFi.mode(WIFI_AP);
+  while(!WiFi.softAP(ssid, password))
+  {
+    Serial.println(".");
+    delay(100);
+  }
+  
+  if(useStaticIP) WiFi.softAPConfig(ip, gateway, subnet);
+
+  Serial.println("");
+  Serial.print("Iniciado AP:\t");
+  Serial.println(ssid);
+  Serial.print("IP address:\t");
+  Serial.println(WiFi.softAPIP());
+}