Initial commit: OCA Report packages (45 packages)

odoo-bringout-oca-mis-builder-mis_builder_budget/doc/MODELS.md

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+# Models
+
+Detected core models and extensions in mis_builder_budget.
+
+```mermaid
+classDiagram
+    class mis_budget
+    class mis_budget_abstract
+    class mis_budget_by_account
+    class mis_budget_by_account_item
+    class mis_budget_item
+    class mis_budget_item_abstract
+    class mis_report_instance
+    class mis_report_instance_period
+    class mis_report_kpi
+    class mis_report_kpi_expression
+```
+
+Notes
+- Classes show model technical names; fields omitted for brevity.
+- Items listed under _inherit are extensions of existing models.