feat(build): aggiunge infrastruttura Docker per build Windows con Wine

contrib/windows/Dockerfile

@@ -0,0 +1,2 @@
+FROM electronuserland/builder:wine-mono
+WORKDIR /project

contrib/windows/build.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
+IMAGE_NAME="cadroute-builder-windows"
+
+echo "[cadroute] Building Docker image..."
+docker build -t "$IMAGE_NAME" "$SCRIPT_DIR"
+
+echo "[cadroute] Running Windows build..."
+docker run --rm \
+  -v "$PROJECT_ROOT":/project \
+  -w /project \
+  -v cadroute-electron-cache:/root/.cache/electron \
+  -v cadroute-electronbuilder-cache:/root/.cache/electron-builder \
+  "$IMAGE_NAME" \
+  bash -c "npm ci && npm run build -- --win --x64"
+
+echo "[cadroute] Artefatti in: $PROJECT_ROOT/dist"