Add Windows install instructions as "coming soon" (#168)

Author: sdserranog

pages/home/install/local.mdx

@@ -40,7 +40,7 @@ To run the Arcade Engine locally, you'll need to install `arcade-engine`. Choose
 
 This will install a template engine configuration.
 
-<Tabs items={['macOS (Homebrew)', 'Ubuntu/Debian (APT)']}>
+<Tabs items={['macOS (Homebrew)', 'Ubuntu/Debian (APT)', 'Windows (coming soon)']}>
   <Tabs.Tab>
   ```bash
   brew install ArcadeAI/tap/arcade-engine
@@ -54,6 +54,13 @@ This will install a template engine configuration.
   sudo apt install arcade-engine
   ```
   </Tabs.Tab>
+  <Tabs.Tab>
+  ```
+  Windows support is coming soon! 
+  ```
+  Want to see Windows support sooner? Show your interest by adding a 👍 to [this GitHub issue](https://github.com/ArcadeAI/arcade-ai/issues/258).
+
+  </Tabs.Tab>
 </Tabs>
 
 ### Install a toolkit