Implements Windows volume/mount support

Based on WSL2 9p support: remaps windows paths to /mnt/<drive> locations for
both podman and Docker API clients.

Signed-off-by: Jason T. Greene <jason.greene@redhat.com>

pkg/specgen/winpath_linux.go

@@ -0,0 +1,24 @@
+package specgen
+
+import (
+	"os"
+
+	"github.com/containers/common/pkg/machine"
+)
+
+func shouldResolveWinPaths() bool {
+	return machine.MachineHostType() == "wsl"
+}
+
+func shouldResolveUnixWinVariant(path string) bool {
+	_, err := os.Stat(path)
+	return err != nil
+}
+
+func resolveRelativeOnWindows(path string) string {
+	return path
+}
+
+func winPathExists(path string) bool {
+	return false
+}