Initial commit: L10N_Europe packages

odoo-bringout-oca-ocb-l10n_fr_pos_cert/doc/MODELS.md

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+# Models
+
+Detected core models and extensions in l10n_fr_pos_cert.
+
+```mermaid
+classDiagram
+    class account_sale_closing
+    class account_fiscal_position
+    class pos_config
+    class pos_order
+    class pos_order_line
+    class pos_session
+    class res_company
+```
+
+Notes
+- Classes show model technical names; fields omitted for brevity.
+- Items listed under _inherit are extensions of existing models.