Docx4j article (#2714)

* add docx4j dependencies

* Add image.jpg (docx4j)

* add Docx4j example

* Add docx4j test

* Remove unused import

* Fix typo (baeldung instead of baledung)

libraries/src/test/java/com/baeldung/docx/Docx4jReadAndWriteTest.java

@@ -0,0 +1,24 @@
+package com.baeldung.docx;
+
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import org.junit.Test;
+
+public class Docx4jReadAndWriteTest {
+
+    String imagePath = "src/main/resources/image.jpg";
+    String outputPath = "helloWorld.docx";
+    
+    @Test
+    public void givenWordPackage_whenTextExist_thenReturnTrue() {
+        Docx4jExample docx4j = new Docx4jExample();
+        try {
+            docx4j.createDocumentPackage(outputPath, imagePath);
+            assertTrue(docx4j.isTextExist("Hello World!"));
+            assertTrue(!docx4j.isTextExist("InexistantText"));
+        } catch (Exception e) {
+            fail();
+        }
+    }
+}