fix: update broken documentation links to ai-providers.md

Updated all references from non-existent docs/features/ai-models.md
to the correct path docs/5-CONFIGURATION/ai-providers.md

Fixes #412

frontend/src/app/(dashboard)/models/components/DefaultModelsSection.tsx

@@ -231,7 +231,7 @@ export function DefaultModelsSection({ models, defaults }: DefaultModelsSectionP
 
         <div className="pt-4 border-t">
           <a
-            href="https://github.com/lfnovo/open-notebook/blob/main/docs/features/ai-models.md"
+            href="https://github.com/lfnovo/open-notebook/blob/main/docs/5-CONFIGURATION/ai-providers.md"
             target="_blank"
             rel="noopener noreferrer"
             className="text-sm text-primary hover:underline"

frontend/src/app/(dashboard)/models/components/ProviderStatus.tsx

@@ -111,7 +111,7 @@ export function ProviderStatus({ providers }: ProviderStatusProps) {
 
         <div className="mt-6 pt-4 border-t">
           <a
-            href="https://github.com/lfnovo/open-notebook/blob/main/docs/features/ai-models.md"
+            href="https://github.com/lfnovo/open-notebook/blob/main/docs/5-CONFIGURATION/ai-providers.md"
             target="_blank"
             rel="noopener noreferrer"
             className="text-sm text-primary hover:underline"

setup_guide/DOCKER_SETUP_ADVANCED.md

@@ -11,6 +11,6 @@
 **Quick Links:**
 - [Docker Setup Guide](../docs/deployment/docker.md) - Complete Docker setup instructions
 - [Single-Container Deployment](../docs/deployment/single-container.md) - Simplified single-container setup
-- [AI Models Configuration](../docs/features/ai-models.md) - Guide to all supported AI providers
+- [AI Models Configuration](../docs/5-CONFIGURATION/ai-providers.md) - Guide to all supported AI providers
 - [Deployment Overview](../docs/deployment/index.md) - All deployment options
 - [Getting Started](../docs/getting-started/index.md) - Installation and setup guide