feat(pwa): new service worker declaration with custom route

routes/sw.ts

@@ -0,0 +1,19 @@
+import { define } from '../utils.ts'
+import { bundle } from '@deno/emit'
+import config from '../deno.json' with { type: 'json' }
+
+export const handler = define.handlers(async (ctx) => {
+	const { code } = await bundle('./src/serviceworker/mod.ts', {
+		minify: true,
+		importMap: { imports: config.imports },
+		compilerOptions: {
+			inlineSourceMap: ctx.config.mode === 'development',
+		},
+	})
+
+	return new Response(code, {
+		headers: {
+			'Content-Type': 'text/javascript',
+		},
+	})
+})