add example

app.py

@@ -6,7 +6,7 @@ model_key = os.getenv("MODEL_KEY")
 
 title = "CodeAlpaca"
 description = "Instruction following model for code generation."
-examples = ["Write a python function to sort a list.","Write a function to scrape hacker news.","Implement a utility function to compute the accuracy of predictions using metric from sklearn."]
+examples = ["Write a python function to sort a list.","Write a function to scrape hacker news.","Implement a utility function to compute the accuracy of predictions using metric from sklearn.","Write a web server in rust."]
 def call_model(prompt):
     model_parameters = {
         "prompt": prompt,