[Blog] code highlighting theme

Author: tyt2y3

Blog/docusaurus.config.js

@@ -88,8 +88,8 @@ module.exports = {
     },
     prism: {
       // Themes: https://github.com/FormidableLabs/prism-react-renderer/tree/master/packages/prism-react-renderer/src/themes
-      theme: require('prism-react-renderer').themes.oceanicNext,
-      darkTheme: require('prism-react-renderer').themes.oceanicNext,
+      theme: require('prism-react-renderer').themes.vsLight,
+      darkTheme: require('prism-react-renderer').themes.vsDark,
       additionalLanguages: [
         'toml',
         'rust',