Get rid of get file path by using the data.json convention to store the challenge information (#67)

Signed-off-by: Merwane Hamadi <merwanehamadi@gmail.com>

agbenchmark/challenges/code/d2/data.json

@@ -0,0 +1,22 @@
+{
+  "name": "debug_simple_typo_without_guidance",
+  "category": ["code"],
+  "task": "Make test.py run without errors.",
+  "dependencies": [],
+  "ground": {
+    "answer": "[0, 1] [2, 5] [0, 3]",
+    "should_contain": ["[0, 1]", "[2, 5]", "[0, 3]"],
+    "should_not_contain": [],
+    "files": ["test.py"],
+    "type": "execute_python_code"
+  },
+  "mock": {
+    "mock_func": null,
+    "mock_task": null
+  },
+  "info": {
+    "difficulty": "basic",
+    "description": "Tests ability for the agent to debug python code with a simple typo in it, using a very broad prompt without guidance",
+    "side_effects": ["tests if there is in fact an LLM attached"]
+  }
+}