添加环境配置说明和代码获取步骤

README.md

@@ -0,0 +1,9 @@
+## 1. 环境配置
+
+### 1.1 代码获取
+```bash
+git clone https://gitee.com/zhch158_admin/ocr_platform.git -c user.name=zhch158_admin -c user.email=zhch158@sina.com
+cd MinerU
+git config --local user.name "zhch158_admin"
+git config --local user.email "zhch158@sina.com"
+```