add loading links form file

kontor-gin/internal/helpers/file.go

@@ -0,0 +1,27 @@
+package helpers
+
+import (
+	"bufio"
+	"os"
+)
+
+func LinesInFile(fileName string) ([]string, error) {
+	f, err := os.Open(fileName)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+	// Create new Scanner.
+	scanner := bufio.NewScanner(f)
+	result := []string{}
+	// Use Scan.
+	for scanner.Scan() {
+		line := scanner.Text()
+		// Append line to result.
+		result = append(result, line)
+	}
+	if err := scanner.Err(); err != nil {
+		return nil, err
+	}
+	return result, nil
+}