Added screenshots to README (#7)

* Added screenshots to readme

* Fix typo's

README.md

@@ -6,6 +6,13 @@ Note that we are **not** trying to be compatible with existing mods and modpacks
 
 Join the development on #minefix on Snoonet (IRC), or [#minefix:matrix.org](https://matrix.to/#/#minefix:matrix.org) (Matrix)!
 
+Screenshots:
+![screenshot 1](https://raw.githubusercontent.com/Minefix/MineFix/master/promo/Minefix%201.png)
+
+![screenshot 2](https://raw.githubusercontent.com/Minefix/MineFix/master/promo/Minefix%202.png)
+
+Please note that MineFix is still in early stages of development and is subject to changes. Textures displayed in the screenshots are generated by the conversion script provided, a paid copy of Minecraft is required as those textures aren't included with the subgame.
+
 ## Installation instructions
 
 Copy or clone this repository to `~/.minetest/games/minefix` (make sure there isn't a minefix folder inside a minefix folder).