Add placeholder docstring column for schema consistency

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

README.md

@@ -1,17 +1,44 @@
 ---
 license: mit
 tags:
-  - theorem-proving
-  - formal-methods
-  - agda
-  - dependent-types
+- theorem-proving
+- formal-methods
+- agda
+- dependent-types
 task_categories:
-  - text-generation
-  - feature-extraction
+- text-generation
+- feature-extraction
 language:
-  - en
+- en
 size_categories:
-  - 1K<n<10K
+- 1K<n<10K
+configs:
+- config_name: default
+  data_files:
+  - split: train
+    path: data/train-*
+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: 5884411
+    num_examples: 4490
+  download_size: 349566
+  dataset_size: 5884411
 ---
 
 # Agda-UniMath

data/train-00000-of-00001.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:75932e9ad12bc2faab3a34546abbe140e0897cc571438bf0024bacf11ab6ad88
-size 349179
+oid sha256:a6b3b8ea6802922ec588c76603a988ab0855e61ba3c4b2f7f4fb28e95a306137
+size 349566