docs(docs): Update README: Use external image URL

Uses an external image URL in README.md. This change ensures the image is always accessible and avoids potential issues with local file paths. The image URL points to the project's GitHub repository, providing a reliable source. This simplifies maintenance and ensures consistent branding.
Affected files:
- M README.md

Author: CripterHack

README.md

@@ -1,6 +1,6 @@
 
 <p align="center">
-  <img src="smart-commit.png" alt="Smart Git Commit" width="256" height="256"/>
+  <img src="https://raw.githubusercontent.com/CripterHack/smart-git-commit/main/smart-commit.png" alt="Smart Git Commit" width="256" height="256"/>
 </p>
 
 # Smart Git Commit 🚀