ヘルプを Wiki から分離 (#424) (#430)

画面上でのテストは完了．
移行にす早さが求められるので，準備ができたらマージする．

Reviewed-on: #430
Co-authored-by: miteruzo <miteruzo@naver.com>

frontend/src/vite-env.d.ts

@@ -1 +1,29 @@
 /// <reference types="vite/client" />
+
+declare module 'virtual:help/articles' {
+  const articles: Record<string, import ('./lib/help').ArticleMeta>
+  export default articles
+}
+
+declare module 'virtual:help/search' {
+  const search: Record<string, import ('./lib/help').HelpSearchEntry[]>
+  export default search
+}
+
+declare module 'virtual:help/changes' {
+  const changes: Record<string, import ('./lib/help').HelpChange[]>
+  export default changes
+}
+
+declare module 'virtual:help/titles' {
+  const titles: Record<string, import ('./lib/help').HelpTitleIndex>
+  export default titles
+}
+
+declare module 'virtual:help/loaders' {
+  export const components: Record<string,
+      () => Promise<{ default: import ('react').ComponentType }>>
+  export const sources: Record<string, () => Promise<{ default: string }>>
+  export const texts: Record<string,
+      () => Promise<{ default: import ('./lib/help').HelpEditionText }>>
+}