reencode ascii_globe_frame to webp

this brings the image size from 1,730kb to 5.24kb, a 99.69% decrease

Author: ethmarks

assets/media/ascii_globe_frame.png

@@ -36,7 +36,7 @@ <h3>Featured Projects</h3>
             <div class="cards-grid">
                 {{ partial "home-card.html" (dict
                 "href" "/posts/asciiglobe/"
-                "src" "media/ascii_globe_frame.png"
+                "src" "media/ascii_globe_frame.webp"
                 "alt" "A spinning globe rendered with text"
                 "style" "background: transparent;"
                 "title" "ASCII-Globe"