Update default `hello.py` to pass `ruff format` (#6811)

Closes https://github.com/astral-sh/uv/issues/6808

crates/uv/src/commands/project/init.rs

@@ -368,6 +368,7 @@ fn init_application(
                 def main():
                     print("Hello from {name}!")
 
+
                 if __name__ == "__main__":
                     main()
                 "#},

crates/uv/tests/init.rs

@@ -102,6 +102,7 @@ fn init_application() -> Result<()> {
         def main():
             print("Hello from foo!")
 
+
         if __name__ == "__main__":
             main()
         "###
@@ -222,6 +223,7 @@ fn init_application_other_python_exists() -> Result<()> {
         def main():
             print("Hello from foo!")
 
+
         if __name__ == "__main__":
             main()
         "###
@@ -561,6 +563,7 @@ fn init_application_current_dir() -> Result<()> {
         def main():
             print("Hello from foo!")
 
+
         if __name__ == "__main__":
             main()
         "###

docs/concepts/projects.md

@@ -115,6 +115,7 @@ The created script defines a `main` function with some standard boilerplate:
 def main():
     print("Hello from example-app!")
 
+
 if __name__ == "__main__":
     main()
 ```