feat: make dataset compatible with vdf format

VDF_META.json

@@ -0,0 +1,27 @@
+{
+  "version": "0.0.1",
+  "file_structure": [
+    "wikipedia-1k-cohere-openai-embeddings/data/train-00000-of-00001-aec4da7891cd3048.parquet",
+    "wikipedia-1k-cohere-openai-embeddings/VDF_META.json"
+  ],
+  "author": "kshivendu",
+  "exported_from": "hf",
+  "indexes": {
+    "wikipedia-1k-cohere-openai-embeddings": [
+      {
+        "namespace": "",
+        "total_vector_count": 1000,
+        "exported_vector_count": 1000,
+        "dimensions": 768,
+        "model_name": "cohere/embed-multilingual-v2.0",
+        "vector_columns": [
+          "cohere",
+          "openai"
+        ],
+        "data_path": "wikipedia-1k-cohere-openai-embeddings/data/train-00000-of-00001-aec4da7891cd3048.parquet",
+        "metric": "Cosine"
+      }
+    ]
+  },
+  "exported_at": "2024-01-11T17:54:00.000Z"
+}