add lime360 button

_layouts/shr4pnel.html

@@ -188,6 +188,13 @@
                             loading="lazy"
                     />
                 </a>
+                <a href="https://lime360.nekoweb.org/" target="_blank" rel="noreferrer">
+                    <img
+                            src="/assets/buttons/lime360_button.gif"
+                            alt="lime360 button"
+                            loading="lazy"
+                    />
+                </a>
             </div>
             <h2 class="highlighted">webrings</h2>
             <div class="flex-wrap">