Fix build (#157)

Author: fregante

.npmrc

@@ -0,0 +1 @@
+before=2022-10-26 # https://github.com/refined-github/github-url-detection/pull/157

demo/vite.config.js renamed to demo/vite.config.ts

@@ -2,6 +2,6 @@ import {defineConfig} from 'vite';
 import {svelte} from '@sveltejs/vite-plugin-svelte';
 
 export default defineConfig({
-	root: 'demo',
+	base: '',
 	plugins: [svelte()],
 });