[FW][ADD] MRP: Add Scrap during manufacturing

[fw-bot]

This PR adds a new doc detailing how to scrap components and finished products during the manufacturing process.

Forward-Port-Of: #4954

[robodoo]

Pull request status dashboard.

[fw-bot]

@hojo-odoo cherrypicking of pull request #4954 failed.

stdout:

CONFLICT (modify/delete): content/applications/inventory_and_mrp/inventory/management/warehouses/difference_warehouse_location.rst deleted in HEAD and modified in 3108ea1ca ([ADD] MRP: Add Scrap during manufacturing).  Version 3108ea1ca ([ADD] MRP: Add Scrap during manufacturing) of content/applications/inventory_and_mrp/inventory/management/warehouses/difference_warehouse_location.rst left in tree.
Auto-merging content/applications/inventory_and_mrp/manufacturing/management.rst

stderr:

01:03:19.442199 git.c:455               trace: built-in: git cherry-pick 3108ea1cad3c2007665e0a6e2246f3398e2d3236
error: could not apply 3108ea1ca... [ADD] MRP: Add Scrap during manufacturing
hint: After resolving the conflicts, mark them with
hint: "git add/rm <pathspec>", then run
hint: "git cherry-pick --continue".
hint: You can instead skip this commit with "git cherry-pick --skip".
hint: To abort and get back to the state before "git cherry-pick",
hint: run "git cherry-pick --abort".
----------
status:

Either perform the forward-port manually (and push to this branch, proceeding as usual) or close this PR (maybe?).

In the former case, you may want to edit this PR message as well.

More info at https://github.com/odoo/odoo/wiki/Mergebot#forward-port

[StraubCreative]

small snag here @samueljlieber can you take a look please? 🙏

[samueljlieber]

Resolved merge conflict in 78be229 due to custom anchor / ref to doc inventory/management/difference-warehouse-location.rst that only exists on 14.0. Removed the ref to non-existent doc in 15.0 version of this doc.

[StraubCreative]

@robodoo r+