Merge pull request #1671 from glotzerlab/github-discussions

Replace hoomd-users with GitHub discussions.

.github/ISSUE_TEMPLATE/config.yml

@@ -1,8 +1,8 @@
 blank_issues_enabled: true
 contact_links:
-  - name: HOOMD-blue users mailing list
-    url: https://groups.google.com/d/forum/hoomd-users
-    about: Ask for support from the HOOMD-blue user community.
+  - name: HOOMD-blue discussion board
+    url: https://github.com/glotzerlab/hoomd-blue/discussions/
+    about: Ask the HOOMD-blue user community for help.
   - name: HOOMD-blue documentation
     url: https://hoomd-blue.readthedocs.io/
     about: User documentation.

README.md

@@ -24,8 +24,8 @@ types of particle simulations.
   Instructions for installing **HOOMD-blue** binaries.
 - [Compilation guide](BUILDING.rst):
   Instructions for compiling **HOOMD-blue**.
-- [hoomd-users mailing list](https://groups.google.com/d/forum/hoomd-users):
-  Send messages to the **HOOMD-blue** user community.
+- [HOOMD-blue discussion board](https://github.com/glotzerlab/hoomd-blue/discussions/):
+  Ask the **HOOMD-blue** user community for help.
 - [HOOMD-blue website](https://glotzerlab.engin.umich.edu/hoomd-blue/):
   Additional information and publications.
 - [HOOMD-blue benchmark scripts](https://github.com/glotzerlab/hoomd-benchmarks):

sphinx-doc/index.rst

@@ -45,8 +45,8 @@ Resources
   Instructions for installing **HOOMD-blue** binaries.
 - :doc:`Compilation guide </building>`:
   Instructions for compiling **HOOMD-blue**.
-- `hoomd-users mailing list <https://groups.google.com/d/forum/hoomd-users>`_:
-  Send messages to the **HOOMD-blue** user community.
+- `HOOMD-blue discussion board <https://github.com/glotzerlab/hoomd-blue/discussions/>`_:
+  Ask the **HOOMD-blue** user community for help.
 - `HOOMD-blue website <https://glotzerlab.engin.umich.edu/hoomd-blue/>`_:
   Additional information and publications.
 - `HOOMD-blue benchmark scripts <https://github.com/glotzerlab/hoomd-benchmarks>`_: