Add project goal section to README

Added a section explaining the goal of the project.

Author: Comma-off

README.md

@@ -1,5 +1,8 @@
 # MarOS - OS emulator based on Python
 
+### What is the goal?
+The goal of this is for me to learn while keeping all the code. But expect bugs and kind of fucked up code! :)
+
 ### How to install?
 Navigate to GitHub Releases, click latest release, download "MarOS.py".