perf: ⚡ Mark index, /install, /contact, and /about as prerendered pages in SvelteKit

package.json

@@ -1,7 +1,7 @@
 {
   "scripts": {
     "proxy": "node proxy.js",
-    "dev": "concurrently -n plugin,webapp,server,proxy \"npm --prefix ./plugin run dev\" \"npm --prefix ./webapp run dev\" \"npm --prefix ./server run dev\" \"npm run proxy\""
+    "dev": "concurrently -n plugin,webapp,server,proxy \"npm --prefix ./plugin run dev\" \"npm --prefix ./webapp run dev -- --open\" \"npm --prefix ./server run dev\" \"npm run proxy\""
   },
   "dependencies": {
     "concurrently": "^7.2.2"

webapp/src/routes/about.svelte

@@ -1,3 +1,7 @@
+<script context="module">
+	export const prerender = true;
+</script>
+
 <svelte:head>
 	<title>About | {import.meta.env.VITE_BRANDING}</title>
 </svelte:head>

webapp/src/routes/contact.svelte

@@ -1,3 +1,7 @@
+<script context="module">
+	export const prerender = true;
+</script>
+
 <svelte:head>
 	<title>Contact | {import.meta.env.VITE_BRANDING}</title>
 </svelte:head>

webapp/src/routes/index.svelte

@@ -1,3 +1,7 @@
+<script context="module">
+	export const prerender = true;
+</script>
+
 <script>
 	import Tile from '$lib/components/index/tile.svelte';
 </script>

webapp/src/routes/install.svelte

@@ -1,3 +1,7 @@
+<script context="module">
+	export const prerender = true;
+</script>
+
 <svelte:head>
 	<title>Get the plugin | {import.meta.env.VITE_BRANDING}</title>
 	<script src="https://tarptaeya.github.io/repo-card/repo-card.js"></script>
@@ -28,7 +32,7 @@
 </div>
 
 <a href="https://github.com/mcndt/obsidian-note-sharing"
-	><img src="https://gh-card.dev/repos/mcndt/obsidian-note-sharing.svg" /></a
+	><img src="https://gh-card.dev/repos/mcndt/obsidian-note-sharing.svg" alt="github-repo-card" /></a
 >
 <div class="flex gap-2 mt-2">
 	<a href="https://github.com/mcndt/obsidian-note-sharing/releases">