Big code clean-up, added interfaces, and colored text

Lab3/src/main/java/org/lumijiez/base/Document.java

@@ -0,0 +1,33 @@
+package org.lumijiez.base;
+
+import org.lumijiez.enums.FileType;
+import org.lumijiez.interfaces.IDocument;
+
+import java.util.Date;
+
+public class Document implements IDocument {
+    private String fullFilename = "";
+    private FileType fileType;
+    private Date createdAt;
+    private Date modifiedAt;
+
+    @Override
+    public String getFilename() {
+        return null;
+    }
+
+    @Override
+    public String getExtension() {
+        return null;
+    }
+
+    @Override
+    public Date getCreatedTime() {
+        return null;
+    }
+
+    @Override
+    public Date getModificationTime() {
+        return null;
+    }
+}