Create index.txt
diff --git a/erpnext/docs/user/manual/de/stock/accounting-of-inventory-stock/index.txt b/erpnext/docs/user/manual/de/stock/accounting-of-inventory-stock/index.txt
new file mode 100644
index 0000000..21624e5
--- /dev/null
+++ b/erpnext/docs/user/manual/de/stock/accounting-of-inventory-stock/index.txt
@@ -0,0 +1,2 @@
+perpetual-inventory
+migrate-to-perpetual-inventory