[ADD] PLM: engineering change order

closes odoo/documentation#6272

X-original-commit: fc9bbb7d22
Signed-off-by: Felicia Kuan (feku) <feku@odoo.com>
Co-authored-by: hojo-odoo <123424465+hojo-odoo@users.noreply.github.com>
Co-authored-by: Sho Ketchum <96748231+odoo-shke@users.noreply.github.com>
Co-authored-by: ksc-odoo <73958186+ksc-odoo@users.noreply.github.com>
Co-authored-by: Zachary Straub <zst@odoo.com>

content/applications/inventory_and_mrp/plm.rst

@@ -0,0 +1,19 @@
+:nosearch:
+:show-content:
+:hide-page-toc:
+:show-toc:
+
+============================
+Product lifecycle management
+============================
+
+Odoo *Product Lifecycle Management* (*PLM*) offers a systematic approach for testing, collaboration,
+and iteration of products across concept development, design, manufacturing, marketing, and
+post-launch support stages.
+
+With approvals, key stakeholders can review changes before implementation.
+
+.. toctree::
+   :titlesonly:
+
+   plm/manage_changes