chore: download buymeacoffee image from their cdn

.github/workflows/static.yml

@@ -33,6 +33,7 @@ jobs:
       - run: cp checkswipe.js website/checkswipe.js
       - run: cp checkswipe.css website/checkswipe.css
       - run: curl 'https://cdn.jsdelivr.net/npm/@picocss/pico@2/css/pico.classless.min.css' -o website/pico.classless.min.css
+      - run: curl 'https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png' -o website/buymeacoffee.png
       - uses: actions/upload-pages-artifact@v3
         with:
           path: './website'

website/index.html

@@ -131,7 +131,7 @@ <h2>Use it</h2>
 
     <h2>Love it?</h2>
     <p>If this little project made you smile, send me a virtual coffee – it boosts my ego.</p>
-    <p><a href=https://www.buymeacoffee.com/vladde><img src=https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png alt='Buy Me A Coffee' width=217 height=60></a></p>
+    <p><a href=https://www.buymeacoffee.com/vladde><img src=buymeacoffee.png alt='Buy Me A Coffee' width=217 height=60></a></p>
 
     <h2>How it works</h2>
     <p><code><span class=fn>checkswipe</span>()</code> looks for every <code>&lt;<span class=kw><i>element</i></span>&gt;</code> with the attribute <code><span class=attr>data-checkswipe</span></code>, and attaches a listener to each checkbox inside.</p>