Add placeholder docstring column for schema consistency

- Added empty string docstring column as placeholder
- Ensures compatibility when training across all Coq/Lean4 datasets
- Real docstrings to be extracted and added in future update
- Prevents training errors from schema mismatch

README.md

@@ -1,16 +1,43 @@
 ---
 license: lgpl-2.1
 tags:
-  - theorem-proving
-  - formal-methods
-  - coq
+- theorem-proving
+- formal-methods
+- coq
 task_categories:
-  - text-generation
-  - feature-extraction
+- text-generation
+- feature-extraction
 language:
-  - en
+- en
 size_categories:
-  - 1K<n<10K
+- 1K<n<10K
+dataset_info:
+  features:
+  - name: fact
+    dtype: string
+  - name: type
+    dtype: string
+  - name: library
+    dtype: string
+  - name: imports
+    list: string
+  - name: filename
+    dtype: string
+  - name: symbolic_name
+    dtype: string
+  - name: docstring
+    dtype: string
+  splits:
+  - name: train
+    num_bytes: 3524721
+    num_examples: 4766
+  download_size: 758615
+  dataset_size: 3524721
+configs:
+- config_name: default
+  data_files:
+  - split: train
+    path: data/train-*
 ---
 
 # Coq-Infotheo

data/train-00000-of-00001.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:8aef2774433d8993cd6bd4d234d51214165da6810b2fe178d37f4da01076477b
-size 758228
+oid sha256:bd9cf6a90cd295386247eb63f6abf3880e8ae6725a51b75bbf48d976b8c09fc9
+size 758615