fix: resolve TypeScript errors in frontend build

node_modules/lowlight/index.d.ts

@@ -0,0 +1,22 @@
+export type {LanguageFn} from 'highlight.js'
+export type {AutoOptions, Options} from './lib/index.js'
+export {grammars as all} from './lib/all.js'
+export {grammars as common} from './lib/common.js'
+export {createLowlight} from './lib/index.js'
+
+// Register data on hast.
+declare module 'hast' {
+  interface RootData {
+    /**
+     * Field exposed by `lowlight` to contain the detected programming language
+     * name.
+     */
+    language?: string | undefined
+
+    /**
+     * Field exposed by `lowlight` to contain a relevance: how sure `lowlight`
+     * is that the given code is in the language.
+     */
+    relevance?: number | undefined
+  }
+}