docs: mention server configuration options in Homebrew quick-start (#…

…3041)

Update apple.md

website/docs/quick-start/installation/apple.md

@@ -15,3 +15,5 @@ tabby serve --device metal --model StarCoder-1B --chat-model Qwen2-1.5B-Instruct
 ```
 
 The compute power of M1/M2 is limited and is likely to be sufficient only for individual usage. If you require a shared instance for a team, we recommend considering Docker hosting with CUDA or ROCm. You can find more information about Docker [here](../docker).
+
+If you want to host your server on a different port than the default 8080, supply the `--port` option. Run `tabby serve --help` to learn about all possible options.