Add asia-south2 region (#35)

Author: Mistic92

runsd/regions.go

@@ -28,7 +28,8 @@ var (
 		"asia-northeast1":         "an",
 		"asia-northeast2":         "dt",
 		"asia-northeast3":         "du",
-		"asia-south1 ":            "el",
+		"asia-south1":             "el",
+		"asia-south2":             "em",
 		"asia-southeast1":         "as",
 		"asia-southeast2":         "et",
 		"australia-southeast1":    "ts",