chore(docs): configure prism to style diff blocks (#2759)

Author: gabrieldonadel

docsite/docusaurus.config.ts

@@ -108,6 +108,7 @@ const config: Config = {
     prism: {
       theme: prismThemes.vsLight,
       darkTheme: prismThemes.vsDark,
+      additionalLanguages: ['diff'],
     },
   } satisfies Preset.ThemeConfig,
 };