[update] deprecated colorMode config

Author: serhiipylypchuk1991

docusaurus.config.js

@@ -136,7 +136,7 @@ module.exports = {
     projectName: 'docs-spreadsheet', // Usually your repo name
     trailingSlash: true,
     themeConfig: {
-        colorMode: {
+        /*colorMode: {
             // "light" | "dark"
             defaultMode: 'light',
 
@@ -159,7 +159,7 @@ module.exports = {
                     marginLeft: '0px',
                 },
             },
-        },
+        },*/
         algolia: {
             // This is a read-only, search-only key served directly by the front-end, managed by Algolia via their
             // free DocSearch program. The key is not sensitive. See https://docsearch.algolia.com/ for more details.
@@ -211,7 +211,8 @@ module.exports = {
         },
         footer: {
             style: 'dark',
-            links: [{
+            links: [
+                {
                     title: 'Development center',
                     items: [{
                             label: 'Download Spreadsheet',