Update app.py

Add summarization example

app.py

@@ -13,6 +13,7 @@ pipe_vanilla = pipeline("text2text-generation", model="t5-large", device="cuda:0
 examples = [
   ["Please answer to the following question. Who is going to be the next Ballon d'or?"],
   ["Q: Can Barack Obama have a conversation with George Washington? Give the rationale before answering."],
+  ["Summarize the following text: Peter and Elizabeth took a taxi to attend the night party in the city. While in the party, Elizabeth collapsed and was rushed to the hospital. Since she was diagnosed with a brain injury, the doctor told Peter to stay besides her until she gets well. Therefore, Peter stayed with her at the hospital for 3 days without leaving."],
   ["Please answer the following question: What is the boiling point of water?"],
   ["Translate to German: How old are you?"],
   ["Answer the following yes/no question by reasoning step-by-step. Can you write a whole Haiku in a single tweet?"],