docs: Add thumbnail and logo

README.md

@@ -1,6 +1,4 @@
-# Ferx Engine
-
-![Ferx](docs/assets/Ferx.png)
+![Logo](docs/assets/Thumbnail.png)
 
 <div align="center">
   <img src="https://img.shields.io/github/actions/workflow/status/coderloff/ferx/cmake-single-platform.yml?style=for-the-badge" alt="Build" />
@@ -14,3 +12,5 @@
 <br>
 
 Ferx is a basic game engine written in C++. This project is mainly designed for learning purposes. For more information, check out [docs](docs)
+
+![Ferx](docs/assets/Engine.png)