doc: add *add-new-maintainer* guide

Signed-off-by: Xavier Delaruelle <[email protected]>

NEWS.rst

@@ -33,6 +33,7 @@ Modules 5.6.0 (not yet released)
   with the community.
 * Doc: describe the :ref:`developer-certificate-of-origin` process now applied
   on contributions.
+* Doc: add :ref:`add-new-maintainer` guide
 
 .. _Security policy: https://github.com/envmodules/modules/blob/main/SECURITY.md
 .. _Modules chat room: https://matrix.to/#/#modules:matrix.org

doc/source/devel/add-new-maintainer.rst

@@ -0,0 +1,30 @@
+.. _add-new-maintainer:
+
+Add a new maintainer
+====================
+
+This document is a guide on how to set a new person as a maintainer for
+Modules project.
+
+* Confirm he/she has read and understood the `Code of conduct`_ and
+  :ref:`Technical charter<CHARTER>` of the project
+* Add to the `maintainer GitHub's team`_
+* Invite to the `modules-maintainers chat room`_
+* Subscribe to the `modules-maintainers mailing-list`_
+* Update *Current Roaster* section in :file:`GOVERNANCE.rst` file
+* Update *Authors* section in :file:`README.md` file
+* Make an announcement to:
+
+  * the modules-interest mailing-list
+  * social media
+  * and modules chat room
+
+.. _Code of conduct: https://github.com/envmodules/modules?tab=coc-ov-file#readme
+
+.. _maintainer GitHub's team: https://github.com/orgs/envmodules/teams/maintainers
+.. _modules-maintainers chat room: https://matrix.to/#/!AuNGUFFHUJpgQCfNRE:matrix.org
+.. _modules-maintainers mailing-list: https://sourceforge.net/projects/modules/lists/modules-maintainers
+
+.. note:: To remove a maintainer from the group, reverse the above guidelines.
+
+.. vim:set tabstop=2 shiftwidth=2 expandtab autoindent: