feat: document locale url (#18409)

* feat: document locale url

* fix: remove debug code

* fix readme_cn line

* feat: add menu document locale url

web/src/hooks/use-doc-domain.ts

@@ -0,0 +1,37 @@
+import { useTranslation } from "react-i18next";
+
+/**
+ * Hook to get documentation URLs based on current language
+ *
+ * @returns {Object} An object containing:
+ *   - getLocaleDocUrl: Function to get full documentation URL for a given path
+ *   - docDomain: Current documentation domain based on language
+ */
+export function useDocDomain() {
+  const { i18n } = useTranslation();
+
+  // Map of language codes to their specific documentation domains
+  const DOC_DOMAINS: Record<string, string> = {
+    "zh-CN": "docs.frigate-cn.video",
+    // Add other language-specific domains here as needed
+  };
+
+  // Get the appropriate documentation domain for current language
+  const docDomain = DOC_DOMAINS[i18n.language] || "docs.frigate.video";
+
+  /**
+   * Get full documentation URL for a given path
+   * @param {string} path - Documentation path (e.g. "/configuration/live")
+   * @returns {string} Full documentation URL
+   */
+  const getLocaleDocUrl = (path: string): string => {
+    // Ensure path starts with a slash
+    const normalizedPath = path.startsWith("/") ? path : `/${path}`;
+    return `https://${docDomain}${normalizedPath}`;
+  };
+
+  return {
+    getLocaleDocUrl,
+    docDomain,
+  };
+}