Put comments into example scripts.

scripts/loop.rhai

@@ -1,8 +1,12 @@
+// This script runs an infinite loop, ending it with a break statement
+
 let x = 10;
 
 // simulate do..while using loop
 loop {
     print(x);
+
     x = x - 1;
+
 	if x <= 0 { break; }
 }