ci: GitLab CI 파이프라인 추가 (dev 전용)

node:22 에서 npm run build(vue-tsc 타입체크 + vite build). dev 브랜치 푸시에서만 실행.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

.gitlab-ci.yml

@@ -0,0 +1,26 @@
+# GitLab CI — dognation 프론트 (Vue3 + TS + Vite / Capacitor)
+# dev 브랜치 푸시에서만 실행. build 스크립트가 vue-tsc 타입체크 + vite 빌드를 함께 수행.
+image: node:22
+
+variables:
+  npm_config_cache: "$CI_PROJECT_DIR/.npm"
+
+cache:
+  key: "$CI_COMMIT_REF_SLUG"
+  paths:
+    - .npm/
+
+stages:
+  - build
+
+build:
+  stage: build
+  rules:
+    - if: '$CI_COMMIT_BRANCH == "dev"'
+  script:
+    - npm ci
+    - npm run build   # vue-tsc --noEmit && vite build
+  artifacts:
+    paths:
+      - dist/
+    expire_in: 1 week