website: add Traditional Chinese (#429)

Also README_TW added, hope it works :)

website/docs/.vitepress/locales/index.ts

@@ -1,6 +1,7 @@
 import { defineConfig } from 'vitepress'
 import en from './en'
 import zh_CN from './zh_CN'
+import zh_TW from './zh_TW'
 import vi_VN from './vi_VN'
 import id_ID from './id_ID'
 
@@ -18,6 +19,12 @@ export default defineConfig({
       themeConfig: zh_CN.themeConfig,
       description: zh_CN.description
     },
+    zh_TW: {
+      label: '繁體中文',
+      lang: zh_TW.lang,
+      themeConfig: zh_TW.themeConfig,
+      description: zh_TW.description
+    },
     vi_VN: {
       label: 'Tiếng Việt',
       lang: vi_VN.lang,

website/docs/.vitepress/locales/zh_TW.ts

@@ -0,0 +1,60 @@
+import { createRequire } from 'module'
+import { defineConfig } from 'vitepress'
+
+const require = createRequire(import.meta.url)
+const pkg = require('vitepress/package.json')
+
+export default defineConfig({
+  lang: 'zh-TW',
+  description: '一個以核心為基礎，適用於 Android GKI 的 Root 解決方案。',
+
+  themeConfig: {
+    nav: nav(),
+
+    lastUpdatedText: '上次更新',
+
+    sidebar: {
+      '/zh_TW/guide/': sidebarGuide()
+    },
+
+    socialLinks: [
+      { icon: 'github', link: 'https://github.com/tiann/KernelSU' }
+    ],
+
+    footer: {
+        message: '係依據 GPL3 授權發行。',
+        copyright: 'Copyright © 2022-目前 KernelSU 開發人員'
+    },
+
+    editLink: {
+        pattern: 'https://github.com/tiann/KernelSU/edit/main/website/docs/:path',
+        text: '在 GitHub 中編輯本頁面'
+    }
+  }
+})
+
+function nav() {
+  return [
+    { text: '指南', link: '/zh_TW/guide/what-is-kernelsu' },
+    { text: 'Github', link: 'https://github.com/tiann/KernelSU' }
+  ]
+}
+
+function sidebarGuide() {
+  return [
+    {
+        text: 'Guide',
+        items: [
+          { text: '什麼是 KernelSU？', link: '/zh_TW/guide/what-is-kernelsu' },
+          { text: '安裝', link: '/zh_TW/guide/installation' },
+          { text: '如何建置？', link: '/zh_TW/guide/how-to-build' },
+          { text: '如何為非 GKI 核心整合 KernelSU', link: '/zh_TW/guide/how-to-integrate-for-non-gki'},
+          { text: '非官方支援裝置', link: '/zh_TW/guide/unofficially-support-devices.md' },
+          { text: '模組指南', link: '/zh_TW/guide/module.md' },
+          { text: '搶救開機迴圈', link: '/zh_TW/guide/rescue-from-bootloop.md' },
+          { text: '常見問題', link: '/zh_TW/guide/faq' },
+          { text: '隱藏功能', link: '/zh_TW/guide/hidden-features' },
+        ]
+    }
+  ]
+}