[ADD] Expenses: Expense cards

closes #15345

X-original-commit: e3b3624
Signed-off-by: Lara Martini (larm) <larm@odoo.com>

Author: larm-odoo

content/applications/finance/expenses.rst

@@ -7,6 +7,7 @@ Expenses
 .. toctree::
 
    expenses/expense_categories
+   expenses/expense_cards
    expenses/log_expenses
    expenses/expense_reports
    expenses/approve_expenses