Update Readme.md

Add two new screenshots from 1.6

docs/Readme.md

@@ -39,8 +39,8 @@ See also installation guide for [Heroes Chronicles](players/Heroes_Chronicles.md
 
 <p>
   <img src="https://github.com/vcmi/VCMI.eu/blob/master/static/img/screenshots/1.4.0/Antagarich%20Burning%20Battle.jpg?raw=true" alt="Forge Town in battle" style="height:120px;"/>
-  <img src="https://github.com/vcmi/VCMI.eu/blob/master/static/img/screenshots/1.4.0/Town%20and%20Unit.jpg?raw=true" alt="Asylum town with new creature dialog" style="height:120px;"/>
-  <img src="https://github.com/vcmi/VCMI.eu/blob/master/static/img/screenshots/1.4.0/Siege.jpg?raw=true" alt="Ruins town siege" style="height:120px;"/>
+  <img src="https://github.com/vcmi/VCMI.eu/blob/master/static/img/screenshots/1.6.0/New%20bonus%20descriptions.png?raw=true" alt="New creature dialog with ability descriptions" style="height:120px;"/>
+  <img src="https://github.com/vcmi/VCMI.eu/blob/master/static/img/screenshots/1.6.0/Preserve%20siege.jpg?raw=true" alt="Preserve town siege" style="height:120px;"/>
   <img src="https://github.com/vcmi/VCMI.eu/blob/master/static/img/screenshots/1.4.0/Editor.jpg?raw=true" alt="Map editor" style="height:120px;"/>
 </p>