Initial commit: OCA Report packages (45 packages)

odoo-bringout-oca-reporting-engine-report_py3o/doc/MODELS.md

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+# Models
+
+Detected core models and extensions in report_py3o.
+
+```mermaid
+classDiagram
+    class py3o_report
+    class py3o_template
+    class ir_actions_report
+```
+
+Notes
+- Classes show model technical names; fields omitted for brevity.
+- Items listed under _inherit are extensions of existing models.