feat: Phase 1 添加 GHA 定时、run-daily.sh 与 Docker 部署

让早报可在无本地服务器环境下定时生成并推送企微，补齐 Linux/CI 入口。

Co-authored-by: Cursor <cursoragent@cursor.com>

docker-compose.yml

@@ -0,0 +1,14 @@
+services:
+  daily:
+    build: .
+    env_file: .env
+    environment:
+      TZ: Asia/Shanghai
+    volumes:
+      - ./output:/app/output
+      - ./.cache:/app/.cache
+      - ./logs:/app/logs
+    # Examples:
+    #   docker compose run --rm daily
+    #   docker compose run --rm daily --skip-push
+    #   docker compose run --rm daily --force