Updated readme; Init projekt

- Updated the README file
- Created a IDEA project inside the folder

src/main/java/com/yes/yes/HelloApplication.java

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+package com.yes.yes;
+
+import javafx.application.Application;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Scene;
+import javafx.stage.Stage;
+
+import java.io.IOException;
+
+public class HelloApplication extends Application {
+    @Override
+    public void start(Stage stage) throws IOException {
+        FXMLLoader fxmlLoader = new FXMLLoader(HelloApplication.class.getResource("hello-view.fxml"));
+        Scene scene = new Scene(fxmlLoader.load(), 320, 240);
+        stage.setTitle("Hello!");
+        stage.setScene(scene);
+        stage.show();
+    }
+
+    public static void main(String[] args) {
+        launch();
+    }
+}

src/main/java/com/yes/yes/HelloController.java

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+package com.yes.yes;
+
+import javafx.fxml.FXML;
+import javafx.scene.control.Label;
+
+public class HelloController {
+    @FXML
+    private Label welcomeText;
+
+    @FXML
+    protected void onHelloButtonClick() {
+        welcomeText.setText("Welcome to JavaFX Application!");
+    }
+}

src/main/java/module-info.java

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+module com.yes.yes {
+    requires javafx.controls;
+    requires javafx.fxml;
+
+
+    opens com.yes.yes to javafx.fxml;
+    exports com.yes.yes;
+}