feat: initial project scaffold

- React 19 + Vite + TailwindCSS frontend
- Express + TypeScript backend API
- PostgreSQL schema and migrations
- Docker Compose orchestration
- Drone CI/CD pipeline
- Pages: Dashboard, Servers, Containers, Services, Logs, Metrics, Settings

.drone.yml

@@ -0,0 +1,112 @@
+kind: pipeline
+type: docker
+name: server-manager
+
+trigger:
+  branch:
+    - main
+  event:
+    - push
+    - pull_request
+
+steps:
+  # ─── Backend ───────────────────────────────────────────────────────────────
+  - name: backend-lint
+    image: node:20-alpine
+    commands:
+      - cd backend
+      - npm ci
+      - npm run lint || true
+
+  - name: backend-build
+    image: node:20-alpine
+    commands:
+      - cd backend
+      - npm ci
+      - npm run build
+    depends_on:
+      - backend-lint
+
+  - name: backend-docker
+    image: plugins/docker
+    settings:
+      registry: git.jiosii.com
+      username:
+        from_secret: gitea_username
+      password:
+        from_secret: gitea_token
+      repo: git.jiosii.com/admin/server-manager-backend
+      context: backend
+      dockerfile: backend/Dockerfile
+      tags:
+        - latest
+        - ${DRONE_COMMIT_SHA:0:8}
+    depends_on:
+      - backend-build
+    when:
+      branch:
+        - main
+      event:
+        - push
+
+  # ─── Frontend ──────────────────────────────────────────────────────────────
+  - name: frontend-lint
+    image: node:20-alpine
+    commands:
+      - cd frontend
+      - npm ci
+      - npm run lint || true
+
+  - name: frontend-build
+    image: node:20-alpine
+    commands:
+      - cd frontend
+      - npm ci
+      - npm run build
+    depends_on:
+      - frontend-lint
+
+  - name: frontend-docker
+    image: plugins/docker
+    settings:
+      registry: git.jiosii.com
+      username:
+        from_secret: gitea_username
+      password:
+        from_secret: gitea_token
+      repo: git.jiosii.com/admin/server-manager-frontend
+      context: frontend
+      dockerfile: frontend/Dockerfile
+      tags:
+        - latest
+        - ${DRONE_COMMIT_SHA:0:8}
+    depends_on:
+      - frontend-build
+    when:
+      branch:
+        - main
+      event:
+        - push
+
+  # ─── Deploy ────────────────────────────────────────────────────────────────
+  - name: deploy
+    image: appleboy/drone-ssh
+    settings:
+      host: 100.116.40.103
+      username: root
+      key:
+        from_secret: ssh_private_key
+      port: 22
+      script:
+        - cd /opt/server-manager
+        - docker compose pull
+        - docker compose up -d --remove-orphans
+        - docker image prune -f
+    depends_on:
+      - backend-docker
+      - frontend-docker
+    when:
+      branch:
+        - main
+      event:
+        - push