Update and fix ROADMAP.md

Author: viborc

ROADMAP.md

@@ -3,8 +3,8 @@
 <img width="800" alt="image" src="https://github.com/gpt-engineer-org/gpt-engineer/assets/48092564/06bce891-00ef-4052-bbbd-77af8b843fff">
 
 
-This document is a general roadmap guide to the gpt-engineer project's strategic direction. 
-Our goal is to continually improve by focusing on three main pillars: 
+This document is a general roadmap guide to the gpt-engineer project's strategic direction.
+Our goal is to continually improve by focusing on three main pillars:
 - User Experience,
 - Technical Features, and
 - Performance Tracking/Testing.