Add swift-tools-version:4.0

trungdq88 · web-flow · commit 92f7999b96eb · 2022-01-11T17:31:13.000+07:00
diff --git a/Package.swift b/Package.swift
@@ -1,3 +1,4 @@
+// swift-tools-version:4.0
 import PackageDescription
 
 let package = Package(
