feat: add some of trueberryless' new Starlight blogs to community content (#3525)

Co-authored-by: Chris Swithinbank <[email protected]>

Author: trueberryless

docs/src/content/docs/resources/community-content.mdx

@@ -119,6 +119,21 @@ Explore community-produced content maintained by Starlight users:
 		title="Add a reading progress indicator"
 		description="Find out how to add a horizontal reading progress bar to your Starlight site."
 	/>
+	<LinkCard
+		href="https://blog.trueberryless.org/blog/starlight-sidebar-whitespace/"
+		title="Apply custom styles to your Starlight sidebar"
+		description="Using a little bit of CSS to adjust fonts, colours and more of the Starlight sidebar."
+	/>
+	<LinkCard
+		href="https://blog.trueberryless.org/blog/starlight-dropdown-and-list-together/"
+		title="Starlight Topics Dropdown on mobile, List on desktop"
+		description="Combine two plugins to have the best of both on desktop and mobile devices."
+	/>
+	<LinkCard
+		href="https://blog.trueberryless.org/blog/starlight-autogenerate-whole-sidebar/"
+		title="Processing Starlight sidebars with middleware"
+		description="Use route middleware to control sidebar ordering and group labels, inspired by Nuxt Content’s conventions."
+	/>
 </CardGrid>
 
 ## Video Content