feat: add Book type to schema and sidebar

- Add BookContentSchema with headline, subtitle, bookBody, reviewBody fields
- Add BookResource type and update GenericResourceSchema
- Add books to sidebar navigation with Bookmark Tabs icon

islands/KMenu/commands.ts

@@ -8,6 +8,8 @@ import { createNewSeries } from "@islands/KMenu/commands/create_series.ts";
 import { updateAllRecommendations } from "@islands/KMenu/commands/create_recommendations.ts";
 import { createNewRecipe } from "@islands/KMenu/commands/create_recipe.ts";
 import { enhanceArticleInfo } from "@islands/KMenu/commands/enhance_article_infos.ts";
+import { createNewBook } from "@islands/KMenu/commands/create_book.ts";
+import { enhanceBookInfo } from "@islands/KMenu/commands/enhance_book_infos.ts";
 
 export const menus: Record<string, Menu> = {
   main: {
@@ -74,11 +76,13 @@ export const menus: Record<string, Menu> = {
       },
       addSeriesInfo,
       createNewArticle,
+      createNewBook,
       createNewMovie,
       createNewSeries,
       createNewRecipe,
       addMovieInfos,
       enhanceArticleInfo,
+      enhanceBookInfo,
       // updateAllRecommendations,
     ],
   },