Fix TypeScript errors (#243)

Author: sdvg

docusaurus.config.js

@@ -56,7 +56,7 @@ const config = {
 							const { blogPosts, defaultCreateFeedItems, ...rest } = params;
 							return defaultCreateFeedItems({
 								// keep only the 10 most recent blog posts in the feed
-								blogPosts: blogPosts.filter((item, index) => index < 10),
+								blogPosts: blogPosts.filter((_, index) => index < 10),
 								...rest,
 							});
 						},