modified: src/utils/logging/config.js ...

modified:   src/utils/sendNewsletterSubscriptionMail.js
	modified:   src/utils/transporter.js
	new file:   test/units/utils/logging/config.test.js
	renamed:    test/units/middleware/logging/createLogStreams.test.js -> test/units/utils/logging/createLogStreams.test.js
	renamed:    test/units/middleware/logging/formatFunctionName.test.js -> test/units/utils/logging/formatFunctionName.test.js
	renamed:    test/units/middleware/logging/formatLogMessage.test.js -> test/units/utils/logging/formatLogMessage.test.js
	renamed:    test/units/middleware/logging/handleUncaughtException.test.js -> test/units/utils/logging/handleUncaughtException.test.js
	renamed:    test/units/middleware/logging/handleUnhandledRejection.test.js -> test/units/utils/logging/handleUnhandledRejection.test.js
	renamed:    test/units/middleware/logging/initializeLogDirectories.test.js -> test/units/utils/logging/initializeLogDirectories.test.js
	renamed:    test/units/middleware/logging/shouldLog.test.js -> test/units/utils/logging/shouldLog.test.js
	renamed:    test/units/middleware/logging/writeLog.test.js -> test/units/utils/logging/writeLog.test.js
	new file:   test/units/utils/sendNewsletterSubscriptionMail.test.js