Add art types and categories

src/schemas/artTypeSchema.ts

@@ -0,0 +1,9 @@
+import * as z from "zod/v4";
+
+export const artTypeSchema = z.object({
+  name: z.string().min(3, "Name is required. Min 3 characters."),
+  slug: z.string().min(3, "Slug is required. Min 3 characters.").regex(/^[a-z]+$/, "Only lowercase letters are allowed (no numbers, spaces, or uppercase)"),
+  description: z.string().optional(),
+})
+
+export type artTypeSchema = z.infer<typeof artTypeSchema>