Update redirects.csv

https://github.com/Expensify/Expensify/issues/525301

Author: maddylewis

docs/redirects.csv

@@ -884,3 +884,4 @@ https://help.expensify.com/collection/expensify-travel,https://help.expensify.co
 https://help.expensify.com/articles/travel/travel-analytics/Overview-Of-Analytics,https://help.expensify.com/articles/travel/travel-analytics/Overview-of-Analytics
 https://help.expensify.com/articles/travel/getting-started/How-Expensify-And-Expensify-Travel-Connect,https://help.expensify.com/articles/travel/getting-started/How-Expensify-and-Expensify-Travel-Connect
 https://help.expensify.com/articles/travel/travel-policy/Setting-Approval-Types-And-Adding-Members,https://help.expensify.com/articles/travel/travel-policy/Setting-Approval-Types-and-Adding-Members
+https://community.expensify.com/discussion/4825/how-to-create-and-send-invoices,https://help.expensify.com/articles/expensify-classic/bank-accounts-and-payments/payments/Send-and-Pay-Invoices