Add starlight-heading-badges & @hideoo/generator-starlight-plugin…

… to the plugin showcase (#2276)

docs/src/content/docs/resources/plugins.mdx

@@ -83,6 +83,11 @@ Extend your site with official plugins supported by the Starlight team and commu
 		title="star-warp"
 		description="Warp-drive through search results in your documentation."
 	/>
+	<LinkCard
+		href="https://github.com/HiDeoo/starlight-heading-badges"
+		title="starlight-heading-badges"
+		description="Add badges to your Markdown and MDX headings."
+	/>
 </CardGrid>
 
 ### Community themes
@@ -134,4 +139,9 @@ These community tools and integrations can be used to add features to your Starl
 		title="starlight-showcases"
 		description="Set of Starlight components to author showcase pages."
 	/>
+	<LinkCard
+		href="https://github.com/HiDeoo/generator-starlight-plugin"
+		title="@hideoo/starlight-plugin"
+		description="A generator to quickly scaffold Starlight plugins."
+	/>
 </CardGrid>