Support windows sound notification (#17)

* review-feedback: log current-directory fetching errors

* review-feedback: document intential fire-and-forget of sound notifications

* review-feedback: better PowerShell command pattern:

using -Command with $args[0] parameter passing instead of string interpolation.

* sync-version

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vibe-kanban",
-  "version": "0.0.24",
+  "version": "0.0.25",
   "private": true,
   "scripts": {
     "dev": "concurrently \"cargo watch -w backend -x 'run --manifest-path backend/Cargo.toml'\" \"npm run frontend:dev\"",
@@ -25,4 +25,4 @@
     "node": ">=18",
     "pnpm": ">=8"
   }
-}
+}