feat(docs): update logo image source

Update the logo image source to use the
raw.githubusercontent.com link.

README.md

@@ -1,7 +1,7 @@
 # automathon
 
 <p align="center">
-    <a href="https://rohaquinlop.github.io/automathon/"><img src="docs/img/logo-vector.svg" alt="automathon"></a>
+    <a href="https://rohaquinlop.github.io/automathon/"><img src="https://raw.githubusercontent.com/rohaquinlop/automathon/main/docs/img/logo-vector.svg" alt="automathon"></a>
 </p>
 
 <p align="center">