Remove Applications shortcut from DMG

This is a one-off utility app - users should run it directly from the
DMG rather than installing to Applications.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: ndbroadbent

.github/workflows/release.yml

@@ -106,7 +106,7 @@ jobs:
 
             **macOS:**
             1. Download `ChatToMap_*.dmg`
-            2. Open the DMG and drag ChatToMap to Applications
+            2. Open the DMG and double-click ChatToMap to run
             3. Right-click and select "Open" the first time (required for unsigned apps)
 
             **Windows:**

src-tauri/tauri.conf.json

@@ -41,7 +41,11 @@
       "exceptionDomain": "",
       "frameworks": [],
       "providerShortName": null,
-      "signingIdentity": null
+      "signingIdentity": null,
+      "dmg": {
+        "appPosition": { "x": 200, "y": 200 },
+        "windowSize": { "width": 400, "height": 300 }
+      }
     },
     "windows": {
       "certificateThumbprint": null,