Stock Warehouse Resupply Route Push

This module adds a new option on the warehouse form, next to the list of resupply warehouses: "Resupply from another Warehouse with Push Rules". When you tick it and configure the resupply warehouses, Odoo builds inter-warehouse routes differently from the standard behaviour.

• For each supplier warehouse in the same company, a route is created that first moves stock from the supplier's output location to an inter-warehouse transit location, and then, once that first transfer is done, a second transfer moves the goods from the transit location to the destination warehouse. The second step is a push rule, so it is triggered automatically when the first transfer is completed.
• Two new operation types are created automatically for each warehouse: "Delivery Orders (Inter Warehouse)" and "Delivery Orders (Inter Warehouse - External)", with their own sequences and barcodes. These are shown as read-only fields on the warehouse form.
• A button "Regenerate Inter warehouse routes" is available on the warehouse form. It archives the existing inter-warehouse routes (renaming them with a deprecation date) and creates new ones based on the current configuration, keeping the product, category and warehouse assignments that were set on the old routes.
• A validation prevents generating these routes if the destination warehouse has no address configured.

The module extends the stock.warehouse model and works together with the standard resupply route generation.