Add example code

README.md

@@ -2,4 +2,6 @@
 
 A simple library for graceful shutdowns
 
-100% covered with unit tests.
+100% covered with unit tests.
+
+See and try the example in `/example` to see the how things should be done.

example/example.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"log"
+
+	goshutdowner "git.jlel.se/jlelse/go-shutdowner"
+)
+
+func main() {
+
+	// Declare shutdowner
+	var sd goshutdowner.Shutdowner
+
+	// Add a function to execute on shutdown
+	sd.Add(func() {
+		log.Println("Shutdown")
+	})
+
+	log.Println("Started")
+
+	// CTRL + C or otherwise interrupt the program
+
+	// Wait for shutdowner to finish
+	sd.Wait()
+
+}