Add parser for mapping grammer
diff --git a/go.mod b/go.mod
index edf6152..105c958 100644
--- a/go.mod
+++ b/go.mod
@@ -5,6 +5,7 @@
 require github.com/stretchr/testify v1.10.0
 
 require (
+	github.com/alecthomas/participle/v2 v2.1.4 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect