Add orbstack guide (#856)

Author: lewiszlw

CONTRIBUTING.md

@@ -116,7 +116,7 @@ cargo 1.69.0 (6e9a83356 2023-04-12)
 
 Currently, iceberg-rust uses Docker to set up environment for integration tests. Native Docker has some limitations, please check (https://github.com/apache/iceberg-rust/pull/748). Please use Orbstack or Podman.
 
-For MacOS users, you can install [OrbStack](https://orbstack.dev/) as a docker alternative.
+For MacOS users, you can install [OrbStack as a docker alternative](docs/contributing/orbstack.md).
 
 For podman, refer to [Using Podman instead of Docker](docs/contributing/podman.md)
 

docs/contributing/orbstack.md

@@ -0,0 +1,39 @@
+<!--
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+-->
+
+# OrbStack as a docker alternative on macOS
+1. Install OrbStack by downloading [installer](https://orbstack.dev/download) or using Homebrew.
+    ```shell
+    brew install orbstack
+    ```
+   
+2. Migrate Docker data
+    ```shell
+    orbstack migrate docker
+    ```
+   
+3. (Optional) Add registry mirrors
+   
+    You can edit the config directly at `~/.orbstack/config/docker.json` and restart the engine with `orb restart docker`.
+   
+    ```
+    {
+        "registry-mirrors": ["https://registry.docker.ir", "https://docker.iranserver.com"]
+    }
+   ```