Merge pull request #1 from containifyci/fr12k_example_change

feat: update app.py to add escalation mark

Author: fr12k

app.py

@@ -5,4 +5,4 @@
 
 @app.get("/hello")
 def hello(name: str = "world"):
-    return {"message": f"hello {name}"}
+    return {"message": f"hello {name}!"}