doc: fix zh and ja document type (#2012)

### What problem does this PR solve?

- Fix zh and ja document types to allow users to read better


### Type of change

- [ ] Bug Fix (non-breaking change which fixes an issue)
- [ ] New Feature (non-breaking change which adds functionality)
- [x] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

README_zh.md

@@ -213,12 +213,14 @@ $ docker compose up -d
 如需从源码启动服务，请参考以下步骤：
 
 1. 克隆仓库
+
 ```bash
 $ git clone https://github.com/infiniflow/ragflow.git
 $ cd ragflow/
 ```
 
 2. 创建虚拟环境（确保已安装 Anaconda 或 Miniconda）
+
 ```bash
 $ conda create -n ragflow python=3.11.0
 $ conda activate ragflow
@@ -231,6 +233,7 @@ $ pip install onnxruntime-gpu --extra-index-url https://aiinfra.pkgs.visualstudi
 ```
 
 3. 拷贝入口脚本并配置环境变量
+
 ```bash
 $ cp docker/entrypoint.sh .
 $ vi entrypoint.sh
@@ -254,6 +257,7 @@ export HF_ENDPOINT=https://hf-mirror.com
 ```
 
 4. 启动基础服务
+
 ```bash
 $ cd docker
 $ docker compose -f docker-compose-base.yml up -d 
@@ -263,11 +267,14 @@ $ docker compose -f docker-compose-base.yml up -d
 确保**docker/.env**中的配置与**conf/service_conf.yaml**中配置一致， **service_conf.yaml**中相关服务的IP地址与端口应该改成本机IP地址及容器映射出来的端口。
 
 6. 启动服务
+
 ```bash
 $ chmod +x ./entrypoint.sh
 $ bash ./entrypoint.sh
 ```
+
 7. 启动WebUI服务
+
 ```bash
 $ cd web
 $ npm install --registry=https://registry.npmmirror.com --force
@@ -277,6 +284,7 @@ $ npm run dev
 ```
 
 8. 部署WebUI服务
+
 ```bash
 $ cd web
 $ npm install --registry=https://registry.npmmirror.com --force