message: Minor cleanup of resource hello example
  Remove the newline in the message file and remove a
  unwrap in the example code.
diff: @@ -16,16 +16,10 @@ use std::{fs, io, path::PathBuf};
  fn main() -> io::Result<()> {
  for i in 0..u64::MAX {
  for entry in fs::read_dir(PathBuf::from("/message"))? {
  - let entry = entry?;
  - let path = entry.path();
  + let path = entry?.path();
  if path.is_file() {
  - let resource_content = fs::read_to_string(&path).unwrap();
  - println!(
  - "{}: Content of {}: {}",
  - i,
  - path.to_string_lossy(),
  - resource_content
  - );
  + let resource_content = fs::read_to_string(&path)?;
  + println!("{}: Content of {}: {}", i, path.display(), resource_content);
  }
  }
  std::thread::sleep(std::time::Duration::from_secs(1));
  