Add clear information on how to contact project maintainers (#1659)

Signed-off-by: Jean-Christophe Morin <[email protected]>

README.md

@@ -207,11 +207,21 @@ like any other package:
 * Has a package filtering feature, allowing for staged package releases such as
   alpha and beta packages.
 
+## You have a problem or want to talk to us?
+
+If you find a bug, need help, or want to talk to the developers, here is a list of the different
+ways to get in touch with us:
+
+* [Report an issue](https://github.com/AcademySoftwareFoundation/rez/issues)
+* [Chat room](https://slack.aswf.io): Join the ``#rez`` channel
+* [Start a discussion](https://github.com/AcademySoftwareFoundation/rez/discussions)
+* [Mailing list](mail:[email protected]): Note that are way less active on the mailing
+  list than on any other communication channel.
+
 ## Known issues and limitations
 
 * Currently CMake builds do not function on Windows with Rez and
   the related tests are skipped. A fix requires multiple changes that are on
   the roadmap. Users have successfully implemented workarounds to utilize
   CMake with Rez under Windows, but the goal is to provide a seamless experience
   on any platform in the future. For details see this [issue](/../../issues/703)
-

docs/source/index.rst

@@ -79,3 +79,12 @@ Rez:
 Rez takes a list of package requests, and constructs the target environment, resolving
 all the necessary package dependencies. Any type of software package is supported -
 compiled, python, applications and libraries.
+
+If you find a bug, need help, or want to talk to the developers, here is a list of the different
+ways to get in touch with us:
+
+* `Report an issue <https://github.com/AcademySoftwareFoundation/rez/issues>`_
+* `Chat room <https://slack.aswf.io>`_: Join the ``#rez`` channel
+* `Start a discussion <https://github.com/AcademySoftwareFoundation/rez/discussions>`_
+* `Mailing list <mail:[email protected]>`_: Note that are way less active on the mailing
+  list than on any other communication channel.