Automatic merge from release/3.9+2 -> master

* commit 'f2192cf7adaf0c196f57a5fca1288b2a7fec0f57':
  INT-16836: Create or update Readme files for Open LMS plugins

Author: Mr Bot

README.md

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+# Open Forum Activity
+Open forums enhance Moodle Forums by providing teachers and students with quick, 
+simple views into the forums and their discussions. Allowing users to sort and search 
+discussions easily and in multiple layouts is key to Advanced Forums increased usability. 
+Read tracking is a feature in Advanced forums that highlights unread posts, 
+making it even easier to manage a forum. This saves the student time in viewing and 
+responding to posts, and saves the teacher time in finding the posts that are most 
+relevant to the class. Teachers are empowered to create anonymous interactions with 
+students while still being able to provide accurate grading with advanced grading methods.
+
+![local_hsuforum](https://moodle.org/pluginfile.php/50/local_plugins/plugin_description/399/recent%20posts.png)
+
+This plugin was contributed by the Open LMS Product Development team. Open LMS is an education technology company
+dedicated to bringing excellent online teaching to institutions across the globe. We serve colleges and universities,
+schools and organizations by supporting the software that educators use to manage and deliver instructional content to
+learners in virtual classrooms.
+
+## Installation
+Extract the contents of the plugin into _/wwwroot/mod_ then visit `admin/upgrade.php` or use the CLI script to upgrade your site.
+
+For more information about the configuration and usage, please see http://docs.moodle.org/dev/Advanced_Forum
+
+## License
+Copyright (c) 2021 Open LMS (https://www.openlms.net)
+
+This program is free software: you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation, either version 3 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program.  If not, see <http://www.gnu.org/licenses/>.