Feat : Gitbook

gitbook/constants/docsConfig.js

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+export const DOCS_CONFIG = {
+  title: "9Router Documentation",
+  description: "Smart AI model router - Maximize subscriptions, minimize costs",
+  logo: "9Router",
+  appUrl: "https://9router.com",
+  githubUrl: "https://github.com/decolua/9router",
+  
+  navigation: [
+    {
+      title: "Getting Started",
+      items: [
+        { title: "Introduction", slug: "" },
+        { title: "Quick Start", slug: "getting-started/quick-start" },
+        { title: "Installation", slug: "getting-started/installation" }
+      ]
+    },
+    {
+      title: "Providers",
+      items: [
+        { title: "Subscription (Maximize)", slug: "providers/subscription" },
+        { title: "Cheap (Backup)", slug: "providers/cheap" },
+        { title: "Free (Fallback)", slug: "providers/free" }
+      ]
+    },
+    {
+      title: "Features",
+      items: [
+        { title: "Smart Routing", slug: "features/smart-routing" },
+        { title: "Combos & Fallback", slug: "features/combos" },
+        { title: "Quota Tracking", slug: "features/quota-tracking" }
+      ]
+    },
+    {
+      title: "Integration",
+      items: [
+        { title: "Claude Code", slug: "integration/claude-code" },
+        { title: "OpenAI Codex", slug: "integration/codex" },
+        { title: "Cursor", slug: "integration/cursor" },
+        { title: "Cline", slug: "integration/cline" },
+        { title: "Roo", slug: "integration/roo" },
+        { title: "Continue", slug: "integration/continue" },
+        { title: "Other Tools", slug: "integration/other-tools" }
+      ]
+    },
+    {
+      title: "Deployment",
+      items: [
+        { title: "Localhost", slug: "deployment/localhost" },
+        { title: "Cloud (VPS/Docker)", slug: "deployment/cloud" }
+      ]
+    },
+    {
+      title: "Help",
+      items: [
+        { title: "Troubleshooting", slug: "troubleshooting" },
+        { title: "FAQ", slug: "faq" }
+      ]
+    }
+  ]
+};

gitbook/constants/languages.js

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+export const DEFAULT_LANG = "en";
+
+export const LANGUAGES = [
+  { code: "en", name: "English", native: "English", flag: "🇺🇸" },
+  { code: "vi", name: "Vietnamese", native: "Tiếng Việt", flag: "🇻🇳" },
+  { code: "zh-CN", name: "Chinese (Simplified)", native: "简体中文", flag: "🇨🇳" },
+  { code: "es", name: "Spanish", native: "Español", flag: "🇪🇸" },
+  { code: "ja", name: "Japanese", native: "日本語", flag: "🇯🇵" }
+];
+
+export const LANG_CODES = LANGUAGES.map(l => l.code);
+
+export function isValidLang(code) {
+  return LANG_CODES.includes(code);
+}
+
+export function getLanguage(code) {
+  return LANGUAGES.find(l => l.code === code) || LANGUAGES[0];
+}