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

lib/marka/schema.ts

@@ -32,7 +32,7 @@ export const BaseFileSchema = z.object({
 });
 
 const makeContentSchema = <
-  TName extends "Article" | "Review" | "Recipe",
+  TName extends "Article" | "Review" | "Recipe" | "Book",
   TShape extends z.ZodRawShape,
 >(
   name: TName,
@@ -55,6 +55,9 @@ export const ArticleContentSchema = makeContentSchema("Article", {
 
 export const ReviewContentSchema = makeContentSchema("Review", {
   tmdbId: z.number().optional(),
+  headline: z.string().optional(),
+  subtitle: z.string().optional(),
+  bookBody: z.string().optional(),
   link: z.string().optional(),
   reviewRating: ReviewRatingSchema.optional(),
   reviewBody: z.string().optional(),
@@ -76,6 +79,17 @@ export const RecipeContentSchema = makeContentSchema("Recipe", {
   url: z.string().optional(),
 });
 
+export const BookContentSchema = makeContentSchema("Book", {
+  headline: z.string().optional(),
+  subtitle: z.string().optional(),
+  bookBody: z.string().optional(),
+  reviewBody: z.string().optional(),
+  url: z.string().optional(),
+  reviewRating: ReviewRatingSchema.optional(),
+  isbn: z.string().optional(),
+  bookEdition: z.string().optional(),
+});
+
 export const articleMetadataSchema = z.object({
   headline: z.union([z.null(), z.string()]).describe("Headline of the article"),
   author: z.union([z.null(), z.string()]).describe("Author of the article"),
@@ -99,10 +113,15 @@ export const RecipeSchema = BaseFileSchema.extend({
   content: RecipeContentSchema,
 });
 
+export const BookSchema = BaseFileSchema.extend({
+  content: BookContentSchema,
+});
+
 export const GenericResourceSchema = z.union([
   ArticleSchema,
   ReviewSchema,
   RecipeSchema,
+  BookSchema,
 ]);
 
 export type Person = z.infer<typeof PersonSchema>;
@@ -122,6 +141,10 @@ export type RecipeResource = z.infer<typeof RecipeSchema> & {
   image?: typeof imageTable.$inferSelect;
 };
 
+export type BookResource = z.infer<typeof BookSchema> & {
+  image?: typeof imageTable.$inferSelect;
+};
+
 export type GenericResource = z.infer<typeof GenericResourceSchema> & {
   image?: typeof imageTable.$inferSelect;
 };
@@ -136,5 +159,8 @@ export function getNameOfResource(res: GenericResource): string {
   if (res.content?._type === "Recipe" && res.content.name) {
     return res.content.name;
   }
+  if (res.content?._type === "Book" && res.content.headline) {
+    return res.content.headline;
+  }
   return "Unnamed Resource";
 }