Add manifest generator

src/routes/manifest.webmanifest/+server.ts

@@ -0,0 +1,30 @@
+import { json } from "@sveltejs/kit";
+import type { RequestHandler } from './$types';
+import favicon from '$lib/assets/favicon.svg?url';
+
+export const prerender = true;
+
+export const GET: RequestHandler = ({ url }) => {
+    const manifest = {
+        name: "OwlBoard Maps",
+        short_name: "OwlBoard Maps",
+        start_url: "/",
+        display: "standalone",
+        theme_color: "#ff6600",
+        background_color: "#ffffff",
+        icons: [
+            {
+                src: favicon,
+                sizes: "any",
+                type: "image/svg+xml"
+            }
+        ]
+    };
+
+    return json(manifest, {
+        headers: {
+            'Content-Type': 'application/manifest+json',
+            'Cache-Control': 'public, max-age=3600',
+        }
+    })
+}