docs: update gitter link to Discord

.github/CONTRIBUTING.md

@@ -83,4 +83,4 @@ Check out [EditorConfig.org](https://editorconfig.org/) to learn how to make you
 
 ## Questions?
 
-If you have any questions, please feel free to ask them on the contributor chat room on [Gitter](https://gitter.im/FreeCodeCamp/DevDocs).
+If you have any questions, please feel free to ask them on the contributor chat room on [Discord](https://discord.gg/PRyKn3Vbay).

.github/ISSUE_TEMPLATE/config.yml

@@ -1,8 +1,8 @@
 blank_issues_enabled: false
 contact_links:
   - name: Question
-    about: "Ask questions and have discussions on Gitter"
-    url: "https://gitter.im/FreeCodeCamp/DevDocs"
+    about: "Ask questions and have discussions on Discord"
+    url: "https://discord.gg/PRyKn3Vbay"
   - name: New Documentation
     about: "Request a new documentation on Trello"
     url: "https://trello.com/b/6BmTulfx/devdocs-documentation"

README.md

@@ -6,11 +6,11 @@ DevDocs was created by [Thibaut Courouble](https://thibaut.me) and is operated b
 
 ## We are currently searching for maintainers
 
-Please reach out to the community on [Gitter](https://gitter.im/FreeCodeCamp/DevDocs) if you would like to join the team!
+Please reach out to the community on [Discord](https://discord.gg/PRyKn3Vbay) if you would like to join the team!
 
 Keep track of development news:
 
-* Join the contributor chat room on [Gitter](https://gitter.im/FreeCodeCamp/DevDocs)
+* Join the devdocs chat room on [Discord](https://discord.gg/PRyKn3Vbay)
 * Watch the repository on [GitHub](https://github.com/freeCodeCamp/devdocs/subscription)
 * Follow [@DevDocs](https://twitter.com/DevDocs) on Twitter
 
@@ -176,4 +176,4 @@ We also wish that any documentation file generated using this software be attrib
 
 ## Questions?
 
-If you have any questions, please feel free to ask them on the contributor chat room on [Gitter](https://gitter.im/FreeCodeCamp/DevDocs).
+If you have any questions, please feel free to ask them on the contributor chat room on [Discord](https://discord.gg/PRyKn3Vbay).

assets/javascripts/templates/pages/about_tmpl.coffee

@@ -17,7 +17,7 @@ app.templates.aboutPage = -> """
   <ul>
     <li>Follow <a href="https://twitter.com/DevDocs">@DevDocs</a> on Twitter
     <li>Watch the repository on <a href="https://github.com/freeCodeCamp/devdocs/subscription">GitHub</a> <iframe class="_github-btn" src="https://ghbtns.com/github-btn.html?user=freeCodeCamp&repo=devdocs&type=watch&count=true" allowtransparency="true" frameborder="0" scrolling="0" width="100" height="20" tabindex="-1"></iframe>
-    <li>Join the <a href="https://gitter.im/FreeCodeCamp/DevDocs">Gitter</a> chat room
+    <li>Join the <a href="https://discord.gg/PRyKn3Vbay">Discord</a> chat room
   </ul>
 
   <h2 class="_block-heading" id="copyright">Copyright and License</h2>
@@ -43,7 +43,7 @@ app.templates.aboutPage = -> """
     <dt>Where can I suggest new docs and features?
     <dd>You can suggest and vote for new docs on the <a href="https://trello.com/b/6BmTulfx/devdocs-documentation">Trello board</a>.<br>
         If you have a specific feature request, add it to the <a href="https://github.com/freeCodeCamp/devdocs/issues">issue tracker</a>.<br>
-        Otherwise, come talk to us in the <a href="https://gitter.im/FreeCodeCamp/DevDocs">Gitter</a> chat room.
+        Otherwise, come talk to us in the <a href="https://discord.gg/PRyKn3Vbay">Discord</a> chat room.
     <dt>Where can I report bugs?
     <dd>In the <a href="https://github.com/freeCodeCamp/devdocs/issues">issue tracker</a>. Thanks!
   </dl>

assets/javascripts/templates/pages/root_tmpl.coffee.erb

@@ -14,7 +14,7 @@ app.templates.intro = """
       <li>Run <code>thor docs:download --installed</code> to update all downloaded documentations.
       <li>To be notified about new versions, don't forget to <a href="https://github.com/freeCodeCamp/devdocs/subscription">watch the repository</a> on GitHub.
       <li>The <a href="https://github.com/freeCodeCamp/devdocs/issues">issue tracker</a> is the preferred channel for bug reports and
-          feature requests. For everything else, use <a href="https://gitter.im/FreeCodeCamp/DevDocs">Gitter</a>.
+          feature requests. For everything else, use <a href="https://discord.gg/PRyKn3Vbay">Discord</a>.
       <li>Contributions are welcome. See the <a href="https://github.com/freeCodeCamp/devdocs/blob/main/CONTRIBUTING.md">guidelines</a>.
       <li>DevDocs is licensed under the terms of the Mozilla Public License v2.0. For more information,
           see the <a href="https://github.com/freeCodeCamp/devdocs/blob/main/COPYRIGHT">COPYRIGHT</a> and

docs/adding-docs.md

@@ -1,4 +1,4 @@
-Adding a documentation may look like a daunting task but once you get the hang of it, it's actually quite simple. Don't hesitate to ask for help [in Gitter](https://gitter.im/FreeCodeCamp/DevDocs) if you ever get stuck.
+Adding a documentation may look like a daunting task but once you get the hang of it, it's actually quite simple. Don't hesitate to ask for help [in Discord](https://discord.gg/PRyKn3Vbay) if you ever get stuck.
 
 **Note:** please read the [contributing guidelines](../.github/CONTRIBUTING.md) before submitting a new documentation.
 

docs/maintainers.md

@@ -130,6 +130,6 @@ The following people (used to) maintain DevDocs:
 
 To reach out, please ping [@freeCodeCamp/devdocs](https://github.com/orgs/freeCodeCamp/teams/devdocs).
 
-Interested in helping maintain DevDocs? Come talk to us on [Gitter](https://gitter.im/FreeCodeCamp/DevDocs) :)
+Interested in helping maintain DevDocs? Come talk to us on [Discord](https://discord.gg/PRyKn3Vbay) :)
 
 In addition, we appreciate the major contributions made by [these great people](https://github.com/freeCodeCamp/devdocs/graphs/contributors).

lib/docs/filters/padrino/clean_html.rb

@@ -3,7 +3,7 @@ module Docs
     class CleanHtmlFilter < Filter
       def call
         css('.summary_toggle', '.inheritanceTree', 'h1 .note', '.source_code', '.box_info dl:last-child').remove
-        css('a[href*="travis"]', 'a[href*="gemnasium"]', 'a[href*="codeclimate"]', 'a[href*="gitter"]').remove if root_page?
+        css('a[href*="travis"]', 'a[href*="gemnasium"]', 'a[href*="codeclimate"]', 'a[href*="discord"]').remove if root_page?
 
         css('.signature').each do |node|
           node.name = 'h3'