diff --git a/library.json b/library.json
new file mode 100644
index 0000000..9e16c7d
--- /dev/null
+++ b/library.json
@@ -0,0 +1,13 @@
+{
+ "name": "optional",
+ "version": "1.0.0",
+ "build": {
+ "includeDir": "include",
+ "srcFilter": [
+ "+<*>",
+ "-<.git>",
+ "-",
+ "-"
+ ]
+ }
+}