Remove unwrap in example

Author: quexten

crates/bitwarden-crypto/README.md

@@ -19,7 +19,7 @@ async fn example() -> Result<(), CryptoError> {
   let key = SymmetricCryptoKey::make_aes256_cbc_hmac_key();
 
   let data = "Hello, World!".to_owned();
-  let encrypted = data.clone().encrypt_with_key(&key).unwrap();
+  let encrypted = data.clone().encrypt_with_key(&key)?;
   let decrypted: String = encrypted.decrypt_with_key(&key)?;
 
   assert_eq!(data, decrypted);