chore: update docusaurus version (#986)

* feat: enable respectPrefersColorScheme

* ci: specify node version

* ci: specify node version

* chore: add serve script

* disable trailing slash

* switch to node-version

* details styling

* details styling

* remove trailingSlash setting

Author: timdeschryver

.node-version

@@ -0,0 +1 @@
+16

docusaurus.config.js

@@ -237,6 +237,12 @@ module.exports = {
   ],
   plugins: [],
   themeConfig: {
+    image: 'img/octopus-128x128.png',
+    colorMode: {
+      defaultMode: 'light',
+      disableSwitch: false,
+      respectPrefersColorScheme: true,
+    },
     navbar: {
       title: 'Testing Library',
       logo: {
@@ -267,7 +273,6 @@ module.exports = {
         },
       ],
     },
-    image: 'img/octopus-128x128.png',
     footer: {
       links: [
         {