Update and rename config.h to src/config.h - clean up structure

src/config.h

@@ -0,0 +1,19 @@
+#ifndef CONFIG_H
+#define CONFIG_H
+
+// Wi-Fi Settings
+const char* ssid = "YOUR_WIRELESS_SSID";
+const char* password = "YOUR_WIRELESS_PASSWORD";
+
+// MQTT Settings
+const char* mqtt_server = "YOUR_MQTT_SERVER_ADDRESS";
+const int mqtt_port = 1883;
+const char *mqtt_user = "YOUR_MQTT_USERNAME";
+const char *mqtt_pass = "YOUR_MQTT_PASSWORD";
+const char *mqtt_client_name = "YOUR_MQTT_CLIENT_NAME";
+
+// OTA Settings
+const char *ota_hostname = "YOUR_OTA_HOSTNAME";
+const bool enable_ota = true;
+
+#endif