working client and example

Signed-off-by: Amrit Panesar <amrit@station-app.com>

_example/example.go

@@ -0,0 +1,57 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"strconv"
+
+	client "github.com/Neo-Desktop/go-pushover-client"
+)
+
+var (
+	key      string
+	device   string
+	message  string
+	priority string
+	err      error
+	i        int64
+)
+
+func main() {
+	fmt.Printf("%s\n:", "Please enter your application key")
+
+	_, err = fmt.Scanln(&key)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	pushover := client.New(key)
+
+	fmt.Printf("\n%s\n:", "Please enter a device token")
+	_, err = fmt.Scanln(&device)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Printf("\n%s\n:", "Please enter a message to send")
+	_, err = fmt.Scanln(&message)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Printf("\n%s\n:", "Please enter a priority to send this message")
+	_, err = fmt.Scanln(&priority)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	i, err = strconv.ParseInt(priority, 10, 64)
+	if i > 2 || i < -2 {
+		log.Println("Proiority should be between -2 and 2")
+		log.Fatal("Message aborted")
+	}
+
+	pushover.Send(device, message, priority)
+	log.Println("Message sent")
+
+}