Refactor: Remove deprecated gRPC service files and implement new API structure

- Deleted old gRPC service definitions in `game_grpc.pb.go` and `public.go`.
- Added new API server implementations for objectstory, player, and shop services.
- Introduced configuration files for new APIs in `etc/*.yaml`.
- Created main entry points for each service in `objectstory.go`, `player.go`, and `shop.go`.
- Removed unused user update handler and user API files.
- Added utility functions for context management and HTTP header parsing.
- Introduced PostgreSQL backup configuration in `backup/postgreSql.yaml`.

deploy/docker/.env.example

@@ -0,0 +1,4 @@
+HARBOR_REGISTRY=harbor.example.com
+HARBOR_PROJECT=juwan
+IMAGE_NAME=st-1-example
+IMAGE_TAG=latest

deploy/docker/README.md

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+# Docker 服务器部署方案（Gitea Actions）
+
+本方案替代 Jenkins：
+
+1. `push` 代码后由 Gitea Actions 构建镜像并推送 Harbor。
+2. 同一工作流通过 SSH 连接服务器，执行 `docker compose pull && docker compose up -d` 完成更新。
+
+## 1) 服务器准备
+
+在目标服务器安装：
+
+- Docker Engine
+- Docker Compose 插件（`docker compose version` 可用）
+
+并确保部署用户有 docker 权限：
+
+```bash
+sudo usermod -aG docker <deploy-user>
+```
+
+## 2) Gitea 仓库 Secrets
+
+在仓库中配置以下 Secrets：
+
+- `HARBOR_REGISTRY`：例如 `harbor.example.com`
+- `HARBOR_PROJECT`：例如 `juwan`
+- `HARBOR_USERNAME`
+- `HARBOR_PASSWORD`
+- `DEPLOY_HOST`：服务器地址
+- `DEPLOY_PORT`：可选，默认 `22`
+- `DEPLOY_USER`：服务器 SSH 用户
+- `DEPLOY_SSH_KEY`：私钥内容（PEM）
+- `DEPLOY_PATH`：可选，默认 `/opt/st-1-example`
+
+## 3) 触发规则
+
+- 构建推送：`main/master/dev/feature/**`
+- 自动部署：仅 `main/master`
+
+如需改分支规则，编辑：
+
+- `.gitea/workflows/build-push-harbor.yml`
+
+## 4) 端口与服务
+
+Compose 文件：`deploy/docker/docker-compose.yml`
+
+默认映射：`8888:8888`，服务名：`st-example`。

deploy/docker/docker-compose.yml

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+services:
+  st-example:
+    image: ${HARBOR_REGISTRY}/${HARBOR_PROJECT}/${IMAGE_NAME}:${IMAGE_TAG:-latest}
+    container_name: st-example
+    restart: always
+    ports:
+      - "8888:8888"
+    environment:
+      TZ: Asia/Shanghai