refac: versioning using package

vite.config.ts

@@ -2,5 +2,8 @@ import { sveltekit } from '@sveltejs/kit/vite';
 import { defineConfig } from 'vite';
 
 export default defineConfig({
-	plugins: [sveltekit()]
+	plugins: [sveltekit()],
+	define: {
+		APP_VERSION: JSON.stringify(process.env.npm_package_version)
+	}
 });