Feature: IVPN support

internal/updater/providers/ivpn/filename.go

@@ -0,0 +1,16 @@
+package ivpn
+
+import (
+	"strings"
+)
+
+func parseFilename(fileName string) (country, city string) {
+	const suffix = ".ovpn"
+	fileName = strings.TrimSuffix(fileName, suffix)
+	parts := strings.Split(fileName, "-")
+	country = strings.ReplaceAll(parts[0], "_", " ")
+	if len(parts) > 1 {
+		city = strings.ReplaceAll(parts[1], "_", " ")
+	}
+	return country, city
+}