初版功能完成

internal/platform/windows/wintunruntime/asset_windows_other.go

@@ -0,0 +1,13 @@
+//go:build windows && !amd64
+
+package wintunruntime
+
+import (
+	"crypto/sha256"
+	"fmt"
+	"runtime"
+)
+
+func assetBytes() ([]byte, [sha256.Size]byte, error) {
+	return nil, [sha256.Size]byte{}, fmt.Errorf("Phase 1 Wintun asset is not bundled for windows/%s", runtime.GOARCH)
+}