Create index.txt
diff --git a/erpnext/docs/user/manual/de/customer-portal/index.txt b/erpnext/docs/user/manual/de/customer-portal/index.txt
new file mode 100644
index 0000000..a029f6b
--- /dev/null
+++ b/erpnext/docs/user/manual/de/customer-portal/index.txt
@@ -0,0 +1,4 @@
+customer-orders-invoices-and-shipping-status
+portal-login
+sign-up
+issues