fix: update gif readme (#22)

Author: Wazzabeee

README.md

@@ -4,7 +4,7 @@
 ![Python](https://img.shields.io/badge/python-3.11-blue)
 
 
-![GIF demo](data/img/example.gif)
+![GIF demo](https://raw.githubusercontent.com/Wazzabeee/copy-spotter/main/data/img/example.gif)
 
 ## About
 This program will process pdf, txt, docx, and odt files that can be found in the given input directory, find similar sentences, calculate similarity percentage, display a similarity table with links to side by side comparison where similar sentences are highlighted.