feat: precompile decision content (#401)

* precompile first

* test

* add Opcode cache through Option<T>

* Compiled support for decisionTable,
default compile of new DecisionContent for node.js and py bindings

* format

* DecisionContent refactored to model module

* fmt

* added back BaseDecisionContent

* tests and benchmark

---------

Co-authored-by: Stefan <stefan@gorules.io>

bindings/python/src/content.rs

@@ -14,7 +14,9 @@ pub struct PyZenDecisionContent(pub Arc<DecisionContent>);
 impl PyZenDecisionContent {
     #[new]
     pub fn new(data: &str) -> PyResult<Self> {
-        let content = serde_json::from_str(data).context("Failed to parse JSON")?;
+        let mut content: DecisionContent =
+            serde_json::from_str(data).context("Failed to parse JSON")?;
+        content.compile();
         Ok(Self(Arc::new(content)))
     }
 }