added "Usage" section to README.md

README.md

@@ -22,6 +22,16 @@ Code: https://github.com/sambitmukherjee/hf-nlp-course-exercises/blob/main/chapt
 
 Experiment tracking: https://wandb.ai/sadhaklal/bert-base-uncased-finetuned-sst2-v2
 
+## Usage
+
+```
+from transformers import pipeline
+
+classifier = pipeline("text-classification", model="sadhaklal/bert-base-uncased-finetuned-sst2-v2")
+print(classifier("uneasy mishmash of styles and genres ."))
+print(classifier("by the end of no such thing the audience , like beatrice , has a watchful affection for the monster ."))
+```
+
 ## Metric
 
 Accuracy on the `'validation'` split of SST-2: 0.9278