refactor: JSON data column for findings, code snippets captured and displayed

tests/conftest.py

@@ -147,18 +147,21 @@ def guarddog_normalized_flagged():
                 "severity": "WARNING",
                 "message": "Package contains URL to suspicious domain",
                 "location": "setup.py:15",
+                "code": "url = 'http://evil.com'",
             },
             {
                 "rule": "exec-base64",
                 "severity": "WARNING",
                 "message": "Base64-encoded code execution detected",
                 "location": "core.py:42",
+                "code": "exec(base64.b64decode(...))",
             },
             {
                 "rule": "empty_information",
                 "severity": "WARNING",
                 "message": "Package description is empty",
                 "location": "",
+                "code": "",
             },
         ],
         "errors": [],