extracting out schemaQuery validation to lib, extracting out delete/edit to it's own files for clarity

lib/validations/queryIdTransformParseInt.ts

@@ -0,0 +1,15 @@
+import { z } from "zod";
+
+// Extracted out as utility function so can be reused
+// at different endpoints that require this validation.
+const schema = z
+  .object({
+    // since nextjs parses query params as strings,
+    // we need to cast them to numbers using z.transform() and parseInt()
+    id: z
+      .string()
+      .regex(/^\d+$/)
+      .transform((id) => parseInt(id)),
+  })
+  .strict();
+export default schema;