feat(spotlight): add support for custom search-engines (#1200)

* feat(spotlight): add search settings link

* feat(search-engine): add to manage pages

* feat(spotlight): add children option for external search engines

* chore: revert search settings

* fix: deepsource issue

* fix: inconsistent breadcrum placement

* chore: address pull request feedback

packages/validation/src/common.ts

@@ -0,0 +1,22 @@
+import { z } from "zod";
+
+const paginatedSchema = z.object({
+  search: z.string().optional(),
+  pageSize: z.number().int().positive().default(10),
+  page: z.number().int().positive().default(1),
+});
+
+export const byIdSchema = z.object({
+  id: z.string(),
+});
+
+const searchSchema = z.object({
+  query: z.string(),
+  limit: z.number().int().positive().default(10),
+});
+
+export const commonSchemas = {
+  paginated: paginatedSchema,
+  byId: byIdSchema,
+  search: searchSchema,
+};