Add example and setup to README.md

README.md

@@ -1,7 +1,28 @@
 go-hashids
 ==========
 
-Go (golang) implementation of http://www.hashids.org
+Go (golang) v1 implementation of http://www.hashids.org
 under MIT License (same as the original implementations)
 
-Original implementations by Ivan Akimov at https://github.com/ivanakimov/hashids.php
+Original implementations by ivanakimov
+
+### Setup
+<pre>go get github.com/speps/go-hashids</pre>
+
+### Example
+```go
+package main
+
+import "fmt"
+import "github.com/speps/go-hashids"
+
+func main() {
+	h := hashids.New()
+	h.Salt = "this is my salt"
+	h.MinLength = 30
+	e := h.Encrypt([]int{45, 434, 1313, 99})
+	fmt.Println(e)
+	d := h.Decrypt(e)
+	fmt.Println(d)
+}
+```