Quality of life update & package migrations. Use Vercel as default adapter (#67)

* Update all packages
* Manual migration to SkeletonUI v4.8.0. Event elements has breaking tabs underline highlight
* Remove unused dependencies & Let Prettier clean everything
* Minor misc styling update

src/components/event/EventTabsTrigger.svelte

@@ -0,0 +1,15 @@
+<script>
+	import { Tabs } from '@skeletonlabs/skeleton-svelte';
+	let { value, children } = $props();
+</script>
+
+<Tabs.Trigger {value}>
+	{#snippet element(attributes)}
+		<button
+			{...attributes}
+			class="hover:border-b-ecsess-200 data-[state=active]:border-b-ecsess-400 border-b-4 border-b-transparent px-2 pb-2 text-lg transition-all ease-in-out"
+		>
+			{@render children()}
+		</button>
+	{/snippet}
+</Tabs.Trigger>