Initial version of extractor based on tree-sitter grammar

Author: aibaars

Cargo.lock

@@ -8,6 +8,9 @@ edition = "2018"
 
 [dependencies]
 tree-sitter = "0.17.0"
-
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+clap = "2.33"
 [build-dependencies]
 cc="*"
+