Add oca-purchase submodule with 96 purchase modules moved from oca-workflow-process

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

odoo-bringout-oca-purchase-workflow-purchase_merge/purchase_merge/readme/CONTRIBUTORS.rst

@@ -0,0 +1,4 @@
+* `Camptocamp <https://www.camptocamp.com>`_:
+
+  * Thomas Nowicki <thomas.nowicki@camptocamp.com>
+  * Bojan Anchev <bojan.anchev@camptocamp.com>

odoo-bringout-oca-purchase-workflow-purchase_merge/purchase_merge/readme/DESCRIPTION.rst

@@ -0,0 +1,18 @@
+This module adds a wizard to merge purchase order.
+
+
+A wizard that can be called from tree view of purchase orders.
+If merge criteria are validate:
+All lines of all PO are "transferred" to the first one and some information like 'origin' and 'partner_ref' are concatenated.
+We post a message on the chatter to indicate when the merge operation occurs and what were the PO concerned.
+The empty PO are "canceled"
+
+Merge criteria:
+* PO are from the same supplier
+* PO are in state 'draft'
+* PO have the same
+#. currency
+#. picking type
+#. incoterms
+#. payment terms
+#. fiscal position

odoo-bringout-oca-purchase-workflow-purchase_merge/purchase_merge/readme/USAGE.rst

@@ -0,0 +1,3 @@
+To use this module, you need to:
+
+#. Merge purchase order with required criteria