diff --git a/CI.txt b/CI.txt
new file mode 100644
index 0000000000000000000000000000000000000000..052b517bb8bfa3fc96ac6cab79acb3df8820c04e
--- /dev/null
+++ b/CI.txt
@@ -0,0 +1,2 @@
+- commit -> build automatically
+- commit message with "[CI SKIP]" prevent building