Website: Upgrade Docusaurus (#956)

.nvmrc

@@ -0,0 +1 @@
+18.12.1

docs/Taskfile.yml

@@ -35,3 +35,8 @@ tasks:
     summary: Requires GIT_USER and GIT_PASS envs to be previous set
     cmds:
       - npx docusaurus deploy
+
+  upgrade:
+    desc: Upgrade Docusaurus
+    cmds:
+      - yarn upgrade @docusaurus/core@latest @docusaurus/preset-classic@latest

docs/package.json

@@ -14,8 +14,8 @@
     "write-heading-ids": "docusaurus write-heading-ids"
   },
   "dependencies": {
-    "@docusaurus/core": "2.0.0-beta.20",
-    "@docusaurus/preset-classic": "2.0.0-beta.20",
+    "@docusaurus/core": "^2.2.0",
+    "@docusaurus/preset-classic": "^2.2.0",
     "@mdx-js/react": "^1.6.22",
     "clsx": "^1.1.1",
     "prism-react-renderer": "^1.3.1",