First quiz and its related modules

exercises/functions/functions1.rs

@@ -1,8 +1,10 @@
 // functions1.rs
 // Execute `rustlings hint functions1` or use the `hint` watch subcommand for a hint.
 
-// I AM NOT DONE
-
 fn main() {
     call_me();
 }
+
+fn call_me() {
+    println!("I'm Nidhal Messaoudi, a software developer going Rusty!!!");
+}