Add usage in README

README.md

@@ -22,6 +22,16 @@ understanding of Thai Buddhist concepts and teachings.
 2. **Data Structuring**: All questions were compiled and structured into a standardized CSV format
 3. **Manual Verification**: The dataset underwent manual review and correction to ensure accuracy of text, choices, and correct answers
 
+## Usage
+
+```py
+from datasets import load_dataset
+
+exam_dataset = load_dataset("biodatlab/thai_buddhist_studies_exam")  # no splitting
+exam_dataset["train"][0]
+```
+
+
 ## About Dhamma Practice Exam
 
 The Nak Tham examination is a system for evaluating Buddhist knowledge levels among ordained monks