Adding images to README file

README.md

@@ -5,8 +5,9 @@ A Python + Gtk 3 based quasi-IDE.
 [TODO](TODO.md)
 
 ### Images
-**TBD**
 ![1 Newton default view.](images/pic1.png)
-![2 Newton search and replace plus menu shown. ](images/pic2.png)
-![3 Newton displaying inline colors. ](images/pic3.png)
-![4 Newton as transparent with youtube playing below it. ](images/pic4.png)
+![2 Newton split pane view.](images/pic2.png)
+![3 Newton search and replace shown.](images/pic3.png)
+![4 Newton displaying inline colors.](images/pic4.png)
+![5 Newton as transparent with youtube playing below it.](images/pic5.png)
+![6 Newton with plugins menu show as well as markdown preview shown.](images/pic6.png)