feat: updates

__security/sensitive/src/main.rs

@@ -1,3 +1,7 @@
+use std::str::FromStr;
+use secstr::SecStr;
+
 fn main() {
-    println!("Hello, world!");
+    let sec_str = SecStr::from_str("hello world").expect("secstr");
+    println!("{:?}", sec_str);
 }