Migrade from ioutil. to os for ReadFile

src/helpers/config_loader.go

@@ -3,7 +3,6 @@ package helpers
 import (
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"os"
 )
 
@@ -74,7 +73,7 @@ func LoadConfig() (*Configuration, error) {
 			continue
 		}
 
-		if data, err := ioutil.ReadFile(param.ConfFilePath); err == nil {
+		if data, err := os.ReadFile(param.ConfFilePath); err == nil {
 			config.setConfigValue(key, string(data))
 			continue
 		}