examples: rename hot_code_reloading to hot_reload

examples/hot_reload/message.v

@@ -0,0 +1,22 @@
+// Build this example with
+// v -live message.v 
+module main
+
+import time
+import os
+
+[live] 
+fn print_message() {
+	println('Hello! Modify this message while the program is running.') 
+}
+
+fn main() {
+	for {
+		print_message()
+		time.sleep_ms(500)  
+	}
+}
+
+
+
+