Animate loading button and new posts arriving

src/lib/components/LoadingSpinnerComponent.svelte

@@ -0,0 +1,38 @@
+<script lang="ts">
+  export let size: string = '64px';
+  export let thickness: string = '6px';
+</script>
+
+<div class="lds-dual-ring" style="--size: {size}; --thickness: {thickness}"></div>
+<style>
+  .lds-dual-ring {
+    display: inline-block;
+    width: 100%;
+    height: 100%;
+  }
+  .lds-dual-ring:after {
+    content: " ";
+    display: block;
+    width: var(--size);
+    height: var(--size);
+    border-radius: 50%;
+    border: var(--thickness) solid #fff;
+    border-color: #fff transparent #fff transparent;
+    animation: lds-dual-ring 1.2s linear infinite;
+  }
+  @keyframes lds-dual-ring {
+    0% {
+      transform: rotate(0deg);
+    }
+    25% {
+      transform: rotate(36deg);
+    }
+    75% {
+      transform: rotate(234deg);
+    }
+    100% {
+      transform: rotate(360deg);
+    }
+  }
+
+</style>