fixing offscreen build error and RecentArticles.vue

Author: sotrh

code/showcase/offscreen/src/lib.rs

@@ -1,5 +1,4 @@
 use wasm_bindgen::prelude::*;
-use winit::platform::web::EventLoopExtWebSys;
 
 /// Wrapper around a function pointer
 struct Work {

docs/.vuepress/components/RecentArticles.vue

@@ -18,7 +18,7 @@ export default {
 	}, 
 	computed:{
 		recentFiles() {
-			let files = this.$site.pages.filter(p => {
+			let files = (this.$site.pages ?? []).filter(p => {
 				return p.regularPath.includes('beginner')
 					|| p.regularPath.includes('intermediate');
 			}).sort((a,b) => {