Update from Fontawesome 4 to 6.3.0

And moving all fontawesome assets to their own directory that follows
the structure of ZIP files distributed from https://fontawesome.com/download

Author: progval

_layouts/default.html

@@ -22,7 +22,9 @@
 
     <link rel="alternate" type="application/rss+xml" href="{{ site.baseurl }}/feed.xml" />
 
-    <link href="{{ site.baseurl }}/css/font-awesome.min.css" rel="stylesheet">
+    <link href="{{ site.baseurl }}/fontawesome/css/fontawesome.min.css" rel="stylesheet">
+    <link href="{{ site.baseurl }}/fontawesome/css/brands.min.css" rel="stylesheet">
+    <link href="{{ site.baseurl }}/fontawesome/css/solid.min.css" rel="stylesheet">
     <link href="{{ site.baseurl }}/css/fonts.css" rel="stylesheet">
     <link href="{{ site.baseurl }}/css/pure.css" rel="stylesheet">
     <link href="{{ site.baseurl }}/css/style.css" rel="stylesheet">
@@ -48,7 +50,7 @@
         <div class="copylink">
           <span><a href="{{ site.baseurl }}" class="wglink">{% include logo-fordark.html %} <span class="wglink-text">Working Group</span></a> {% include copy.html %} {{ site.time | date: "%Y" }}</span>
           <span class="nomobile" style="margin: 0 0.7rem;">&middot;</span>
-          <a class="nomobile rss-button" href="{{ site.baseurl }}/feed.xml"><i class="fa fa-rss-square"></i> RSS</a>
+          <a class="nomobile rss-button" href="{{ site.baseurl }}/feed.xml"><i class="fa-solid fa-rss-square"></i> RSS</a>
           <ul class="links nomobile" style="margin-top: 0.3rem">
             <li><a href="{{ site.baseurl }}/index.html">Home</a></li>
             <li><a href="{{ site.baseurl }}/wg.html">
@@ -60,8 +62,8 @@
               <span class="notablet">Specifications</span>
               <span class="tablet">Specs</span>
             </a></li>
-            <li class="iconsep"><a href="{{ site.github.owner_url }}"><span class="fa fw-fw fa-github"></span></a></li>
-            <li class="iconsep"><a href="https://twitter.com/ircv3"><span class="fa fw-fw fa-twitter"></span></a></li>
+            <li class="iconsep"><a href="{{ site.github.owner_url }}"><span class="fa-brands fw-fw fa-github"></span></a></li>
+            <li class="iconsep"><a href="https://twitter.com/ircv3"><span class="fa-brands fw-fw fa-twitter"></span></a></li>
           </ul>
         </div>
       </div>

_layouts/post.html

@@ -7,7 +7,7 @@
 
 <div class="widebg"><div class="container content" style="padding: 1.5rem 0">
 
-      <h2 style="margin-top: 0">Working Group Updates <a class="rss-button" href="{{ site.baseurl }}/feed.xml"><i class="fa fa-rss-square"></i> RSS</a></h2>
+      <h2 style="margin-top: 0">Working Group Updates <a class="rss-button" href="{{ site.baseurl }}/feed.xml"><i class="fa-solid fa-rss-square"></i> RSS</a></h2>
 
       <p>To see other WG updates, see the <a style="color: #fff" href="{{ site.baseurl }}/wg.html">Working Group page.</a></p>
 

css/font-awesome.min.css

@@ -0,0 +1,6 @@
+/*!
+ * Font Awesome Free 6.3.0 by @fontawesome - https://fontawesome.com
+ * License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
+ * Copyright 2023 Fonticons, Inc.
+ */
+:host,:root{--fa-style-family-classic:"Font Awesome 6 Free";--fa-font-solid:normal 900 1em/1 "Font Awesome 6 Free"}@font-face{font-family:"Font Awesome 6 Free";font-style:normal;font-weight:900;font-display:block;src:url(../webfonts/fa-solid-900.woff2) format("woff2"),url(../webfonts/fa-solid-900.ttf) format("truetype")}.fa-solid,.fas{font-weight:900}