Add links to Lab 03 assignment and video

README.md

@@ -10,7 +10,7 @@
 | - | :--- | :----- | :---- | :--- | :-------- | :---- | :--- |
 | 1 | Въведение в Java | [слайдове](https://fmi.github.io/java-course/01-intro-to-java/lecture/slides.html) | [![Video](web/images/mjt-on-youtube.png)](https://youtu.be/X1bh5oAggsQ) | 09.10 | [задача](https://github.com/fmi/java-course/tree/master/01-intro-to-java/lab) | [![Video](web/images/mjt-on-youtube.png)](https://youtu.be/Bs3v6fr_qHk) | 12.10 |
 | 2 | ООП с Java (част I) | [слайдове](https://fmi.github.io/java-course/02-oop-in-java-i/lecture/slides.html) | [![Video](web/images/mjt-on-youtube.png)](https://youtu.be/nUqYohPFCfE) | 16.10 | [задача](https://github.com/fmi/java-course/tree/master/02-oop-in-java-i/lab) | [![Video](web/images/mjt-on-youtube.png)](https://youtu.be/XMIRX9M9zmI) | 19.10 |
-| 3 | ООП с Java (част II) | [слайдове](https://fmi.github.io/java-course/03-oop-in-java-ii/lecture/slides.html) | [![Video](web/images/mjt-on-youtube.png)](https://youtu.be/BwdJJoqO798) | 23.10 |  |  | 26.10 |
+| 3 | ООП с Java (част II) | [слайдове](https://fmi.github.io/java-course/03-oop-in-java-ii/lecture/slides.html) | [![Video](web/images/mjt-on-youtube.png)](https://youtu.be/BwdJJoqO798) | 23.10 | [задача](https://github.com/fmi/java-course/tree/master/03-oop-in-java-ii/lab) | [![Video](web/images/mjt-on-youtube.png)](https://youtu.be/Un5xsZj_5ug) | 26.10 |
 
 ### Материали от предходни издания