chore: move screenshots from README.md to .github

README.md

@@ -7,15 +7,15 @@ Embed TikTok videos and slideshows on Discord with just `s/i/n`
 <details>
   <summary>Click here to see how fxTikTok looks like</summary>
 
-  | <img src="https://github.com/okdargy/fxtiktok/assets/76412158/03895ee0-561a-4d8e-9ae7-06a67fcd4272" alt="Video Preview" width="90%" height="90%"/> |
+  | <img src="https://raw.githubusercontent.com/okdargy/fxTikTok/master/.github/readme/compare.png" alt="Video Preview" width="90%" height="90%"/> |
   |:--:|
   | Comparing `tiktok.com` vs. `tnktok.com` embeds on Discord |
 
-  | <img src="https://github.com/okdargy/fxTikTok/assets/76412158/d7b25d07-5ed2-4092-9d30-8c95af788e7c" height="40%" width="40%" alt="Slideshow Preview" /> |
+  | <img src="https://raw.githubusercontent.com/okdargy/fxTikTok/master/.github/readme/slideshow.png" height="40%" width="40%" alt="Slideshow Preview" /> |
   |:--:|
   | Slideshow embeds |
 
-  | <img src="https://github.com/okdargy/fxTikTok/assets/76412158/972a143f-2368-4eab-a72d-7b4a2e182f88" alt="Direct Preview" /> |
+  | <img src="https://raw.githubusercontent.com/okdargy/fxTikTok/master/.github/readme/direct.png" alt="Direct Preview" /> |
   |:--:|
   | Direct image/video support |