simplify logger creation (move logic into a function in main packages)

Ensure logger creation is consistent between Web and Collector
Create logger in main, pass down to downstream functions (like gin)
In debug mode, print a copy of AppConfig
Better debugging for logger.

webapp/backend/pkg/web/handler/upload_device_metrics.go

@@ -14,7 +14,7 @@ import (
 
 func UploadDeviceMetrics(c *gin.Context) {
 	//db := c.MustGet("DB").(*gorm.DB)
-	logger := c.MustGet("LOGGER").(logrus.FieldLogger)
+	logger := c.MustGet("LOGGER").(*logrus.Entry)
 	appConfig := c.MustGet("CONFIG").(config.Interface)
 	//influxWriteDb := c.MustGet("INFLUXDB_WRITE").(*api.WriteAPIBlocking)
 	deviceRepo := c.MustGet("DEVICE_REPOSITORY").(database.DeviceRepo)