feat: add n8n integration documentation and update navigation

custom.css

@@ -23,3 +23,8 @@
 *:active::-webkit-scrollbar-thumb {
   opacity: 1;
 }
+
+/* Remove dark mode background from page icons */
+img[src*="/images/"] {
+  background: transparent !important;
+}

developer-guide/integrations/n8n.mdx

@@ -0,0 +1,41 @@
+---
+title: "n8n"
+description: "Automate workflows with Fish Audio and n8n"
+icon: "/images/n8n.png"
+---
+
+[n8n](https://n8n.io/) is a fair-code licensed workflow automation platform. The Fish Audio community node brings text-to-speech, speech-to-text, and voice cloning capabilities to your n8n workflows.
+
+## Installation
+
+Install from n8n community nodes:
+
+1. Go to **Settings** > **Community Nodes**
+2. Select **Install**
+3. Enter `n8n-nodes-fishaudio`
+4. Accept the risks and install
+
+See the [n8n community nodes guide](https://docs.n8n.io/integrations/community-nodes/installation/) for details.
+
+## Configuration
+
+1. Go to **Credentials** > **Add Credential**
+2. Search for "Fish Audio API"
+3. Enter your API key from [fish.audio/app/api-keys](https://fish.audio/app/api-keys)
+
+## Features
+
+The node supports:
+
+- **Text-to-Speech** — Generate audio from text using any voice model
+- **Speech-to-Text** — Transcribe audio files
+- **Voice Models** — List, create, and manage custom voices
+- **Account** — Check credit balance
+
+The node is also available as an AI tool for use with n8n's AI Agent nodes.
+
+## Resources
+
+- [npm package](https://www.npmjs.com/package/n8n-nodes-fishaudio)
+- [GitHub](https://github.com/fishaudio/fish-audio-n8n)
+- [n8n Community Nodes](https://docs.n8n.io/integrations/community-nodes/)

docs.json

@@ -101,7 +101,8 @@
             "group": "Integrations",
             "pages": [
               "developer-guide/integrations/pipecat",
-              "developer-guide/integrations/livekit"
+              "developer-guide/integrations/livekit",
+              "developer-guide/integrations/n8n"
             ]
           },
           {
@@ -355,6 +356,10 @@
     {
       "source": "/developer-guide/sdk-guide/python",
       "destination": "/developer-guide/sdk-guide/python/overview"
+    },
+    {
+      "source": "/n8n",
+      "destination": "/developer-guide/integrations/n8n"
     }
   ],
   "footer": {