Update ROS Resources on Docs Index (#3825)

* Update front page of docs to include more community resources, deprecate answers.

* Clean up fussy RST.

* Fix bad ref.

* Fussy whitespace nitpick.

* Reorganize and clarify.

* Changes to wording.

* remove prerelease.

source/Contact.rst

@@ -3,7 +3,7 @@
 Contact
 =======
 
-.. _Using ROS Answers:
+.. _Using Robotics Stack Exchange:
 
 Support
 -------

source/index.rst

@@ -94,18 +94,18 @@ If you're interested in the advancement of the ROS 2 project:
 * :doc:`Marketing <The-ROS2-Project/Marketing>`
 
   - Downloadable marketing materials
+  - `Information about the ROS trademark <https://www.ros.org/blog/media/>`__
 
-Other ROS resources
--------------------
+ROS community resources
+-----------------------
 
-* `ROS Answers <https://answers.ros.org/questions/>`__ (ROS 1, ROS 2)
+If you need help, have an idea, or would like to contribute to the project, please visit our ROS community resources.
 
-  - Q&A community website, similar to `Stack Exchange <https://stackexchange.com/>`_
-  - See :ref:`Contact Page <Using ROS Answers>` for more information
+* `Official ROS Discord Channel for discussion and support <https://discord.com/servers/open-robotics-1077825543698927656>`__ (ROS 1, ROS 2)
 
-* `ROS Enhancement Proposals (REPs) <https://ros.org/reps/rep-0000.html>`__ (ROS 1, ROS 2)
+* `Robotics Stack Exchange - community Q&A website <https://robotics.stackexchange.com/>`__ (ROS 1, ROS 2)
 
-  - Proposals for new designs and conventions
+  - See :ref:`Contact Page <Using Robotics Stack Exchange>` for more information
 
 * `ROS Discourse <https://discourse.ros.org/>`__ (ROS 1, ROS 2)
 
@@ -120,10 +120,16 @@ Other ROS resources
   - Inspect a package's license, build type, maintainers, status, and dependencies
   - Get more info for a package on `ROS Answers <https://answers.ros.org/questions/>`__
 
-* `ROS Prerelease <http://prerelease.ros.org/>`__ (ROS 1)
+* `ROS resource status page <https://status.openrobotics.org/>`__ (ROS 1, ROS 2)
+
+  - Check the current status of ROS resources like Discourse or the ROS build farm.
+
+General ROS project resources
+-----------------------------
+
+* `ROS Enhancement Proposals (REPs) <https://ros.org/reps/rep-0000.html>`__ (ROS 1, ROS 2)
 
-  - Generates commands to emulate the `ROS Buildfarm <https://build.ros.org/>`_ on your local machine
-  - Currently only shows ROS 1 distributions
+  - Proposals for new designs and conventions
 
 * `ROS Robots <https://robots.ros.org/>`__ (ROS 1, ROS 2)
 
@@ -139,8 +145,46 @@ Other ROS resources
 
   - ROS 1 and ROS 2 product landing page, with high-level description of ROS and links to other ROS sites
 
+Events
+------
+
+* `Official ROS Vimeo Channel <https://vimeo.com/osrfoundation>`__ (ROS 1, ROS 2)
+
+  - Videos of ROSCon Talks, community and working group meetings, and project demos.
+
+* `ROSCon website <https://roscon.ros.org/>`__ (ROS 1, ROS 2)
+
+  - ROSCon is our annual ROS developer conference.
+  - This page also lists regional ROS events like ROSConJP and ROSConFr.
+
+* `Open Source Robotics Foundation official events calendar <https://calendar.google.com/calendar/u/0/[email protected]&ctz=America/Los_Angeles>`__
+
+  - This calendar is for official OSRF Events and working group meetings.
+  - `Submit your events here <https://bit.ly/OSRFCalendarForm>`__.
+
+* `Open Source Robotics Foundation community calendar <https://calendar.google.com/calendar/embed?src=c_3fc5c4d6ece9d80d49f136c1dcd54d7f44e1acefdbe87228c92ff268e85e2ea0%40group.calendar.google.com&ctz=America%2FLos_Angeles>`__
+
+  - This calendar is for unofficial ROS community events.
+  - `Submit your events here <https://bit.ly/OSRFCommunityCalendar>`__ .
+
+Miscellaneous
+-------------
+* `Purchase official ROS swag <https://spring.ros.org/>`__
+
+* ROS on social media
+
+  - `@OpenRoboticsOrg <https://twitter.com/OpenRoboticsOrg>`__ and `@ROSOrg <https://twitter.com/ROSOrg>`__ on Twitter
+  - `Open Robotics on LinkedIn <https://www.linkedin.com/company/open-source-robotics-foundation>`__
+
+* Visit the `Open Source Robotics Foundation website <https://www.openrobotics.org/>`__
+
+  - Tax deductible charitable donations to the Open Source Robotics Foundation can be sent via `DonorBox. <https://donorbox.org/support-open-robotics?utm_medium=qrcode&utm_source=qrcode>`__
+
 Deprecated
-^^^^^^^^^^
+----------
+* `ROS Answers <https://answers.ros.org/questions/>`__ (ROS 1, ROS 2)
+
+  - ROS Answers was the ROS community Q&A website, until August, 2023. ROS Answers is currently available as a read-only resource.
 
 * `ROS 2 Docs <https://docs.ros2.org>`_