initial import

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

options.go

@@ -0,0 +1,11 @@
+package file
+
+import (
+	"github.com/unistack-org/micro/v3/config"
+)
+
+type pathKey struct{}
+
+func Path(path string) config.Option {
+	return config.SetOption(pathKey{}, path)
+}