Add loading component

src/lib/navigation/loading.svelte

@@ -0,0 +1,49 @@
+<div id="container">
+    <div class="spinner"></div>
+    <p>Loading...</p>
+</div>
+
+<style>
+@keyframes spinner {
+ 0% {
+  transform:translate3d(-50%,-50%,0) rotate(0)
+ }
+ 100% {
+  transform:translate3d(-50%,-50%,0) rotate(360deg)
+ }
+}
+.spinner::before {
+ animation:1.5s linear infinite spinner;
+ animation-play-state:inherit;
+ border:solid 5px var(--overlay-color);
+ border-bottom-color: white;
+ border-radius:50%;
+ content:"";
+ height:40px;
+ width:40px;
+ position:absolute;
+ top:30%;
+ margin:auto;
+ transform:translate3d(-50%,-50%,0);
+ will-change:transform
+}
+#container {
+ position:fixed;
+ top:50%;
+ left:50%;
+ transform:translate(-50%,-50%);
+ margin:auto;
+ background-color:var(--overlay-color);
+ border-radius:15px;
+ padding:20px;
+ padding-bottom:1px;
+ min-width:90px;
+ max-width:90px
+}
+p {
+ padding-top:50px;
+ font-weight:bolder;
+ overflow-wrap:normal;
+ color: white;
+}
+</style>