Create README.md

Author: z-a-w

README.md

@@ -0,0 +1,30 @@
+<h2 align="center">
+  <strong>This is Alien Invasion</strong>
+</h2>
+<p align="center">
+  A Classic Alien Invasion Arcade game remade in python .
+</p>
+<img src="https://github.com/Y2K222/alien_invasion/blob/master/images/cover/alien_invasion.png?raw=true"/>
+
+## Getting Started
+
+First, fork the repository. Then, go into your favorite terminal.
+
+    git clone [git@github.com:YOUR_USERNAME/game.git](https://github.com/Y2K222/alien_invasion.git)
+    cd alien_invasion
+    python alien_invasion.py
+    
+## System and Engines
+
+### Python
+Python is a high-level, interpreted, general-purpose programming language. Its design philosophy emphasizes code readability with the use of significant indentation. Python is dynamically-typed and garbage-collected.
+https://www.python.org/
+
+### Pygame
+Pygame is a cross-platform set of Python modules designed for writing video games. It includes computer graphics and sound libraries designed to be used with the Python programming language.
+https://www.pygame.org/
+
+## Special thanks to
+
+This is a in book project of Python Crash Course by Eric Matthes.
+https://g.co/kgs/GczWyV