add loading overlay to button when sending signup

src/styles/websiteLayout.css

@@ -39,3 +39,37 @@ h5,
 h6 {
   @apply font-minecraft;
 }
+
+@layer utilities {
+  .btn.loading-overlay {
+    @apply btn-disabled relative;
+
+    &::before,
+    &::after {
+      content: '';
+      box-sizing: border-box;
+      width: 30px;
+      height: 30px;
+      border-radius: 50%;
+      border: 2px solid #fff;
+      position: absolute;
+      animation: animloader 2s linear infinite;
+    }
+
+    &::after {
+      opacity: 0;
+      animation-delay: 1s;
+    }
+  }
+}
+
+@keyframes animloader {
+  0% {
+    transform: scale(0);
+    opacity: 1;
+  }
+  100% {
+    transform: scale(1);
+    opacity: 0;
+  }
+}