add welcoming method

Author: walpurr

app/build.gradle.kts

@@ -21,4 +21,8 @@ dependencies {
 
 tasks.test {
     useJUnitPlatform()
+}
+
+tasks.getByName("run", JavaExec::class) {
+    standardInput = System.`in`
 }

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.welcomeUser();
     }
 }

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 welcomeUser() {
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.println("Welcome to the Brain Games!");
+        System.out.print("May I have your name? ");
+        String userName = scanner.next();
+        System.out.println("Hello, " + userName + "!");
+
+        scanner.close();
+    }
+}
+