upgrade to fontawesome 6.1

content/package.json

@@ -9,7 +9,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "font-awesome": "^4.7.0",
+    "@fortawesome/fontawesome-free": "^6.1.1",
     "reveal.js": "^3.5.0"
   }
 }

content/yarn.lock

@@ -2,10 +2,10 @@
 # yarn lockfile v1
 
 
-font-awesome@^4.7.0:
-  version "4.7.0"
-  resolved "https://registry.yarnpkg.com/font-awesome/-/font-awesome-4.7.0.tgz#8fa8cf0411a1a31afd07b06d2902bb9fc815a133"
-  integrity sha1-j6jPBBGhoxr9B7BtKQK7n8gVoTM=
+"@fortawesome/fontawesome-free@^6.1.1":
+  version "6.1.2"
+  resolved "https://registry.yarnpkg.com/@fortawesome/fontawesome-free/-/fontawesome-free-6.1.2.tgz#d18880eddeadd42b1c64cb559f2f3d13d47a4a64"
+  integrity sha512-XwWADtfdSN73/udaFm+1mnGIj/ShDZNFMe/PRoqv3FhQ4GNI2PUN70yFTPsjq65Lw2C9i4TG5/hTbxXIXVCiqQ==
 
 reveal.js@^3.5.0:
   version "3.9.2"