Added basic Logger with 4 modes.

vesper/vesper.ino

@@ -14,7 +14,9 @@ TODO List:
 - Add
 
 */
+#include "logging.hpp"
 
+#include <Arduino.h>
 #include <WiFi.h>
 #include <AsyncMqttClient.h>
 #include <ArduinoJson.h>
@@ -67,10 +69,10 @@ void setup()
 	}
   // Initialize SPIFFS
   if (!SPIFFS.begin(true)) {  // 'true' means format SPIFFS if initialization fails
-    Serial.println("Failed to mount SPIFFS");
+    LOG_ERROR("Failed to mount SPIFFS");
     while(true) delay(10);
   }
-  Serial.println("SPIFFS mounted successfully");
+  LOG_INFO("SPIFFS mounted successfully");
 	delay(50);
   // Initialize RTC
   if (!rtc.begin()) {
@@ -79,7 +81,7 @@ void setup()
   }
 
   if (! rtc.isrunning()) {
-    Serial.println("RTC is NOT running, let's set the time!");
+    LOG_INFO("RTC is NOT running, let's set the time!");
     // When time needs to be set on a new device, or after a power loss, the
     // following line sets the RTC to the date & time this sketch was compiled
     rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
@@ -104,7 +106,7 @@ void setup()
 	if (schedulerTimer != NULL) {
 			xTimerStart(schedulerTimer, 0);
 	} else {
-			Serial.println("Failed to create timer!");
+			LOG_ERROR("Failed to create timer!");
 	}
 
 	timekeeper.refreshDailySchedule();