update README.md with handcrafted config and viewer enabled

README.md

@@ -6,13 +6,12 @@ language:
 tags:
 - math
 - reasoning
+viewer: true
 configs:
   - config_name: default
     data_files:
       - split: train
-        path: data/train-*
-      - split: validation
-        path: data/validation-*
+        path: handcrafted/data/train-*
 ---
 
 # Dataset Penalaran Matematika
@@ -36,11 +35,11 @@ Dataset sederhana berisi catatan penalaran matematika dan komputasi bertahap, me
 
 ## Cara Membaca Data
 
-Berkas dapat dimuat langsung menggunakan format JSON maupun Parquet melalui pustaka standar Python:
+Berkas dapat dimuat menggunakan pustaka `datasets` atau `pyarrow`:
 
 ```python
-import json
+from datasets import load_dataset
 
-with open("dataset.json", "r", encoding="utf-8") as f:
-    data = json.load(f)
+dataset = load_dataset("cloverx-id/Lumina-Math-Repository")
+print(dataset["train"][0])
 ```