add mca button

_layouts/shr4pnel.html

@@ -240,13 +240,6 @@ layout: compress
                             loading="lazy"
                     />
                 </a>
-                <a href="https://jojovski.neocities.org/" target="_blank" rel="noreferrer">
-                    <img
-                            src="/assets/buttons/jojo.gif"
-                            alt="jojo!"
-                            loading="lazy"
-                    />
-                </a>
                 <a href="https://risingthumb.xyz/" target="_blank" rel="noreferrer">
                     <img
                             src="/assets/buttons/risingthumb.png"
@@ -254,6 +247,13 @@ layout: compress
                             loading="lazy"
                     />
                 </a>
+                <a href="https://meth.cat" target="_blank" rel="noreferrer">
+                    <img
+                            src="/assets/buttons/mcat.gif"
+                            alt="meth.cat!"
+                            loading="lazy"
+                    />
+                </a>
             </div>
 
             <h2 class="highlighted">graveyard</h2>