ci: 프론트엔드 CI/CD 배포 워크플로우 추가

main 브랜치 push 시 frontend/wing-gis-web 빌드 후
wing-gis.gc-si.dev에 자동 배포.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitea/workflows/deploy.yml

@@ -0,0 +1,39 @@
+name: Build and Deploy Wing-GIS Frontend
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '24'
+
+      - name: Configure npm registry
+        working-directory: frontend/wing-gis-web
+        run: |
+          echo "registry=https://nexus.gc-si.dev/repository/npm-public/" > .npmrc
+          echo "//nexus.gc-si.dev/repository/npm-public/:_auth=${{ secrets.NEXUS_NPM_AUTH }}" >> .npmrc
+
+      - name: Install dependencies
+        working-directory: frontend/wing-gis-web
+        run: npm ci
+
+      - name: Build
+        working-directory: frontend/wing-gis-web
+        run: npm run build
+
+      - name: Deploy to server
+        run: |
+          rm -rf /deploy/wing-gis/*
+          cp -r frontend/wing-gis-web/dist/* /deploy/wing-gis/
+          echo "Deployed at $(date '+%Y-%m-%d %H:%M:%S')"
+          ls -la /deploy/wing-gis/