Rename redundant init function

This change renames logging.InitLogger() to logging.Init().

internal/logging/logging.go

@@ -16,7 +16,7 @@ var (
 	Log Logger
 )
 
-func InitLogger(appConfig *config.AppConfig) {
+func Init(appConfig *config.AppConfig) {
 
 	lj := &lumberjack.Logger{
 		Filename:   filepath.Join(appConfig.LogDir, appConfig.LogFile),

main.go

@@ -34,7 +34,7 @@ func main() {
 		log.Fatal(err)
 	}
 
-	logging.InitLogger(appConfig)
+	logging.Init(appConfig)
 
 	err = startBot()