chore: implement feedback part 1

new form component added for document attachments with Zod validation and TRPC integration.

packages/trpc/server/attachment-router/schema.ts

@@ -0,0 +1,39 @@
+import { z } from 'zod';
+
+import { AttachmentType } from '@documenso/prisma/generated/types';
+
+export const ZGetDocumentAttachmentsSchema = z.object({
+  documentId: z.number(),
+});
+
+export const ZGetDocumentAttachmentsResponseSchema = z.array(
+  z.object({
+    id: z.string(),
+    label: z.string(),
+    url: z.string(),
+    type: z.nativeEnum(AttachmentType),
+  }),
+);
+
+export const ZSetDocumentAttachmentsSchema = z.object({
+  documentId: z.number(),
+  attachments: z.array(
+    z.object({
+      id: z.string(),
+      label: z.string().min(1, 'Label is required'),
+      url: z.string().url('Invalid URL'),
+      type: z.nativeEnum(AttachmentType),
+    }),
+  ),
+});
+
+export type TSetDocumentAttachmentsSchema = z.infer<typeof ZSetDocumentAttachmentsSchema>;
+
+export const ZSetDocumentAttachmentsResponseSchema = z.array(
+  z.object({
+    id: z.string(),
+    label: z.string(),
+    url: z.string(),
+    type: z.nativeEnum(AttachmentType),
+  }),
+);