Add the original dataset from [bilibot](https://github.com/linyiLYi/bilibot)

loader.py

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+from datasets import load_dataset
+
+# Define the version
+version = 'original' # latest version of this dataset
+
+# Load the dataset with version control
+dataset = load_dataset('json', data_files={'train': 'original/train.jsonl',
+                                           'validation': 'original/valid.jsonl',
+                                           'test': 'original/test.jsonl'},
+                       version=version)
+
+# Access the data
+train_dataset = dataset['train']
+valid_dataset = dataset['validation']
+test_dataset = dataset['test']
+
+# Example usage
+for example in train_dataset:
+    print(example['text'])
+    break
+
+# Get the dataset version
+print(f"Dataset version: {dataset.version}")