Initial commit: Sale packages

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

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+# Models
+
+Detected core models and extensions in sale_quotation_builder.
+
+```mermaid
+classDiagram
+    class product_template
+    class res_company
+    class sale_order
+    class sale_order_line
+    class sale_order_option
+    class sale_order_template
+    class sale_order_template_line
+    class sale_order_template_option
+```
+
+Notes
+- Classes show model technical names; fields omitted for brevity.
+- Items listed under _inherit are extensions of existing models.