adds start sample

.gitignore

@@ -1,3 +1,4 @@
 .idea
-example/server/server
 example/client/client
+example/server/server
+example/start/start

example/start/start.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"log"
+
+	"github.com/rvflash/tcp"
+)
+
+func main() {
+	// creates a server with a logger and a recover on panic as middlewares.
+	r := tcp.Default()
+	r.ACK(func(c *tcp.Context) {
+		// new message received
+		// gets the request body
+		buf, err := c.ReadAll()
+		if err != nil {
+			c.Error(err)
+		}
+		// writes something as response
+		c.String(string(buf))
+	})
+	err := r.Run(":9090") // listen and serve on 0.0.0.0:9090
+	if err != nil {
+		log.Fatalf("listen: %s", err)
+	}
+}