Merge pull request #26 from withoutbg/docs/readme-video-upload

docs: host AlphaMate README video on GitHub CDN

Author: kocabiyik

README.md

@@ -1,7 +1,7 @@
 # withoutbg
 
-<video src="docs/alphamate_reveal.mp4" width="720" autoplay loop muted playsinline>
-  <a href="docs/alphamate_reveal.mp4">AlphaMate reveal — background removal in action</a>
+<video src="https://github.com/user-attachments/assets/8fd50d46-caa5-48a7-ae58-17324636dc95" width="720" autoplay loop muted playsinline>
+  <a href="https://github.com/user-attachments/assets/8fd50d46-caa5-48a7-ae58-17324636dc95">AlphaMate reveal — background removal in action</a>
 </video>
 
 **One clean alpha. Zero hassle. Drop the background in three lines of Python.**