enable Hindi translation

components/SwitchLang.tsx

@@ -21,6 +21,8 @@ const localeText = (locale: string): string => {
       return '🇬🇧 English'
     case 'zh-CN':
       return '🇨🇳 简体中文'
+    case 'hi':
+      return '🇮🇳 हिन्दी'
     default:
       return '🇬🇧 English'
   }

next-i18next.config.js

@@ -3,7 +3,7 @@ const path = require('path')
 module.exports = {
   i18n: {
     defaultLocale: 'en',
-    locales: ['en', 'zh-CN']
+    locales: ['en', 'zh-CN', 'hi']
   },
   localePath: path.resolve('public/locales'),
   reloadOnPrerender: process.env.NODE_ENV === 'development',