Fixed #28343 -- Add an OS chooser for docs command line examples.

docs/_theme/djangodocs/static/console-tabs.css

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+@import url("{{ pathto('_static/fontawesome/css/fa-brands.min.css', 1) }}");
+
+.console-block {
+  text-align: right;
+}
+
+.console-block *:before,
+.console-block *:after {
+  box-sizing: border-box;
+}
+
+.console-block > section {
+  display: none;
+  text-align: left;
+}
+
+.console-block > input.c-tab-unix,
+.console-block > input.c-tab-win {
+  display: none;
+}
+
+.console-block > label {
+  display: inline-block;
+  padding: 4px 8px;
+  font-weight: normal;
+  text-align: center;
+  color: #bbb;
+  border: 1px solid transparent;
+  font-family: fontawesome;
+}
+
+.console-block > input:checked + label {
+  color: #555;
+  border: 1px solid #ddd;
+  border-top: 2px solid #ab5603;
+  border-bottom: 1px solid #fff;
+}
+
+.console-block > .c-tab-unix:checked ~ .c-content-unix,
+.console-block > .c-tab-win:checked  ~ .c-content-win {
+  display: block;
+}
+
+.console-block pre {
+  margin-top: 0px;
+}

docs/_theme/djangodocs/static/fontawesome/LICENSE.txt

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+Font Awesome Free License
+-------------------------
+
+Font Awesome Free is free, open source, and GPL friendly. You can use it for
+commercial projects, open source projects, or really almost whatever you want.
+Full Font Awesome Free license: https://fontawesome.com/license.
+
+# Icons: CC BY 4.0 License (https://creativecommons.org/licenses/by/4.0/)
+In the Font Awesome Free download, the CC BY 4.0 license applies to all icons
+packaged as SVG and JS file types.
+
+# Fonts: SIL OFL 1.1 License (https://scripts.sil.org/OFL)
+In the Font Awesome Free download, the SIL OLF license applies to all icons
+packaged as web and desktop font files.
+
+# Code: MIT License (https://opensource.org/licenses/MIT)
+In the Font Awesome Free download, the MIT license applies to all non-font and
+non-icon files.
+
+# Attribution
+Attribution is required by MIT, SIL OLF, and CC BY licenses. Downloaded Font
+Awesome Free files already contain embedded comments with sufficient
+attribution, so you shouldn't need to do anything additional when using these
+files normally.
+
+We've kept attribution comments terse, so we ask that you do not actively work
+to remove them from files, especially code. They're a great way for folks to 
+learn about Font Awesome.
+
+# Brand Icons
+All brand icons are trademarks of their respective owners. The use of these
+trademarks does not indicate endorsement of the trademark holder by Font
+Awesome, nor vice versa. **Please do not use brand logos for any purpose except
+to represent the company, product, or service to which they refer.**

docs/_theme/djangodocs/static/fontawesome/README.md

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+# Font Awesome 5.0.4
+
+Thanks for downloading Font Awesome! We're so excited you're here.
+
+Our documentation is available online. Just head here:
+
+https://fontawesome.com

docs/_theme/djangodocs/static/fontawesome/css/fa-brands.min.css

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+/*!
+ * Font Awesome Free 5.0.4 by @fontawesome - http://fontawesome.com
+ * License - http://fontawesome.com/license (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
+ */
+@font-face{font-family:Font Awesome\ 5 Brands;font-style:normal;font-weight:400;src:url(../webfonts/fa-brands-400.eot);src:url(../webfonts/fa-brands-400.eot?#iefix) format("embedded-opentype"),url(../webfonts/fa-brands-400.woff2) format("woff2"),url(../webfonts/fa-brands-400.woff) format("woff"),url(../webfonts/fa-brands-400.ttf) format("truetype"),url(../webfonts/fa-brands-400.svg#fontawesome) format("svg")}.fab{font-family:Font Awesome\ 5 Brands}