directly include icons as svgs

static/css/classes.css

@@ -29,6 +29,11 @@
   text-decoration: inherit;
 }
 
-.fa, .fab, .fad, .fal, .far, .fas {
-  margin-right: 1.2em;
+.icons svg {
+  height: 1em;
+  width: 1em;
+  fill: currentColor;
+  transition: .2s color;
+  vertical-align: middle;
+  margin-bottom: .15em;
 }

static/css/sidebar.css

@@ -51,6 +51,10 @@ article header h1 {
   font-size: 2em;
 }
 
+.icons svg {
+  margin-right: 1rem;
+}
+
 .description {
   margin: 2em 0;
 }

static/font-awesome/LICENSE.txt

@@ -0,0 +1,34 @@
+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/free.
+
+# 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 OFL 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 OFL, 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.**