docs: remove .md extension from internal links (#319)

docs/index.md

@@ -128,41 +128,41 @@ Example:
 ## Docs
 
 - Start here:
-  - [Docs hubs (all pages linked)](./hubs.md)
-  - [FAQ](./faq.md) ← *common questions answered*
-  - [Configuration](./configuration.md)
-  - [Nix mode](./nix.md)
-  - [Clawd personal assistant setup](./clawd.md)
-  - [Skills](./skills.md)
-  - [Skills config](./skills-config.md)
-  - [Workspace templates](./templates/AGENTS.md)
-  - [RPC adapters](./rpc.md)
-  - [Gateway runbook](./gateway.md)
-  - [Nodes (iOS/Android)](./nodes.md)
-  - [Web surfaces (Control UI)](./web.md)
-  - [Discovery + transports](./discovery.md)
-  - [Remote access](./remote.md)
+  - [Docs hubs (all pages linked)](hubs)
+  - [FAQ](faq) ← *common questions answered*
+  - [Configuration](configuration)
+  - [Nix mode](nix)
+  - [Clawd personal assistant setup](clawd)
+  - [Skills](skills)
+  - [Skills config](skills-config)
+  - [Workspace templates](templates/AGENTS)
+  - [RPC adapters](rpc)
+  - [Gateway runbook](gateway)
+  - [Nodes (iOS/Android)](nodes)
+  - [Web surfaces (Control UI)](web)
+  - [Discovery + transports](discovery)
+  - [Remote access](remote)
 - Providers and UX:
-  - [WebChat](./webchat.md)
-  - [Control UI (browser)](./control-ui.md)
-  - [Telegram](./telegram.md)
-  - [Discord](./discord.md)
-  - [iMessage](./imessage.md)
-  - [Groups](./groups.md)
-  - [WhatsApp group messages](./group-messages.md)
-  - [Media: images](./images.md)
-  - [Media: audio](./audio.md)
+  - [WebChat](webchat)
+  - [Control UI (browser)](control-ui)
+  - [Telegram](telegram)
+  - [Discord](discord)
+  - [iMessage](imessage)
+  - [Groups](groups)
+  - [WhatsApp group messages](group-messages)
+  - [Media: images](images)
+  - [Media: audio](audio)
 - Companion apps:
-  - [macOS app](./macos.md)
-  - [iOS app](./ios.md)
-  - [Android app](./android.md)
-  - [Windows app](./windows.md)
-  - [Linux app](./linux.md)
+  - [macOS app](macos)
+  - [iOS app](ios)
+  - [Android app](android)
+  - [Windows app](windows)
+  - [Linux app](linux)
 - Ops and safety:
-  - [Sessions](./session.md)
-  - [Cron + wakeups](./cron.md)
-  - [Security](./security.md)
-  - [Troubleshooting](./troubleshooting.md)
+  - [Sessions](session)
+  - [Cron + wakeups](cron)
+  - [Security](security)
+  - [Troubleshooting](troubleshooting)
 
 ## The name