feat: Send email confirmation with PDF attachment upon successful order

shop/utils/mail.ts

@@ -14,11 +14,17 @@ export async function sendMail({
   subject,
   text,
   html,
+  attachments,
 }: {
   to: string;
   subject: string;
   text: string;
   html?: string;
+  attachments?: {
+    filename: string;
+    content: Buffer | string;
+    contentType?: string;
+  }[];
 }) {
   // Query custom SMTP settings from database
   const supabase = createAdminClient();
@@ -58,6 +64,7 @@ export async function sendMail({
     subject,
     text,
     html,
+    attachments,
   });
 
   return info;