Initial commit: Hr packages

odoo-bringout-oca-ocb-hr_expense/doc/MODELS.md

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+# Models
+
+Detected core models and extensions in hr_expense.
+
+```mermaid
+classDiagram
+    class hr_expense
+    class hr_expense_sheet
+    class account_analytic_account
+    class account_analytic_applicability
+    class account_journal
+    class account_move
+    class account_move_line
+    class account_payment
+    class hr_department
+    class hr_employee
+    class hr_employee_public
+    class ir_attachment
+    class product_product
+    class product_template
+    class res_company
+    class res_config_settings
+```
+
+Notes
+- Classes show model technical names; fields omitted for brevity.
+- Items listed under _inherit are extensions of existing models.