META: Added screenshots to README.md

README.md

@@ -1,5 +1,7 @@
 # MLVWM
 
+[![MLVWM System 7 Theme](/img/System7-640x320.png?raw=true)](#SCREENSHOTS)
+
 ## OVERVIEW
 
 MLVWM (Macintosh-Like Virtual Window Manager) is an X11 window manager with a classic MacOS appearance. Its primary features include:
@@ -23,6 +25,16 @@ MLVWM (Macintosh-Like Virtual Window Manager) is an X11 window manager with a cl
 * Global keyboard shortcuts
 * Numerous configuration options to tune functionality
 
+## SCREENSHOTS
+
+Default theme (System 7-like):
+
+[![Default System 7 Theme](/img/System7-640x320.png?raw=true)](/img/System7-1920x1080.png)
+
+`System8` theme (MacOS 8/9-like):
+
+[![MacOS 8/9 Theme](/img/MacOS8-640x320.png?raw=true)](/img/MacOS8-1920x1080.png)
+
 ## INSTALLATION
 
 ### Building from Source