added Makefile, created class Cli, updated class App

Author: DashProsh

app/Makefile

@@ -0,0 +1,2 @@
+run-dist:
+	./build/install/app/bin/app

app/src/main/java/hexlet/code/App.java

@@ -2,6 +2,6 @@
 
 public class App {
   public static void main(String[] args) {
-    System.out.println("Welcome to the Brain Games!");
+    Cli.sayHello();
   }
 }

app/src/main/java/hexlet/code/Cli.java

@@ -0,0 +1,17 @@
+package hexlet.code;
+
+import java.util.Scanner;
+
+public class Cli {
+    public static void sayHello() {
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.println("Welcome to the Brain Games!");
+        System.out.print("May I have your name? ");
+        String name = scanner.nextLine();
+
+        System.out.println("Hello, " + name + "!");
+
+        scanner.close();
+    }
+}