feat: support LLM jinja2 template prompt (#3968)

Co-authored-by: Joel <iamjoel007@gmail.com>

api/core/helper/code_executor/jinja2_formatter.py

@@ -0,0 +1,17 @@
+from core.helper.code_executor.code_executor import CodeExecutor
+
+
+class Jinja2Formatter:
+    @classmethod
+    def format(cls, template: str, inputs: str) -> str:
+        """
+        Format template
+        :param template: template
+        :param inputs: inputs
+        :return:
+        """
+        result = CodeExecutor.execute_workflow_code_template(
+            language='jinja2', code=template, inputs=inputs
+        )
+
+        return result['result']