docs: add macOS security instructions for Gatekeeper

Author: ilhan-mstf

README.md

@@ -47,7 +47,8 @@ Navigate the entire app without leaving your keyboard. Hit `⌘+K` (or `Ctrl+K`)
 
 1.  **Download** the binary for your OS from the [Releases](https://github.com/ilhan-mstf/omnitool/releases) page.
 2.  **Install** and launch.
-3.  **Use ⌘+K** to find your first tool.
+3.  **macOS Note:** If you see a "damaged" error, run `sudo xattr -rd com.apple.quarantine /Applications/Omnitool.app` in your terminal to allow the app to run (required for unsigned Beta builds).
+4.  **Use ⌘+K** to find your first tool.
 4.  **Copy** some JSON and watch the **Smart Suggestion** appear!
 
 ---

landing-page/index.html

@@ -64,6 +64,9 @@ <h1 class="text-5xl md:text-7xl font-extrabold tracking-tight mb-6 bg-gradient-t
                 </a>
             </div>
             <p class="mt-4 text-xs text-zinc-500">Available for macOS, Windows, and Linux.</p>
+            <p class="mt-2 text-[10px] text-zinc-600 max-w-sm mx-auto italic">
+                Note for macOS: As this is an unsigned Beta, you may need to run <code>sudo xattr -rd com.apple.quarantine /Applications/Omnitool.app</code> if you see a "damaged" warning.
+            </p>
         </div>
     </header>