feat: Add PDM support with auth & i18n enhancements (#627)

* feat: Add PDM support with auth & i18n enhancements

1. Added PDM project dependency management
   - Created pyproject.toml for dependency definitions
   - Added PDM lock file for reproducible builds
   - Created .pdm-python for virtual environment management

2. Enhanced authentication & configuration
   - Added user validation in base configuration
   - Implemented streamlit-authenticator for login functionality
   - Updated config.example.toml with user authentication fields

3. Improved internationalization (i18n)
   - Updated translation files for multiple languages (en, de, pt, vi, zh)
   - Enhanced i18n support in the web UI
   - Standardized translation structure across language files

README.md

@@ -182,16 +182,14 @@ docker-compose up
 - 完整的使用演示：https://v.douyin.com/iFhnwsKY/
 - 如何在Windows上部署：https://v.douyin.com/iFyjoW3M
 
-#### ① 创建虚拟环境
+#### ① 依赖安装
 
-建议使用 [conda](https://conda.io/projects/conda/en/latest/user-guide/install/index.html) 创建 python 虚拟环境
+建议使用 [pdm](https://pdm-project.org/en/latest/#installation)
 
 ```shell
 git clone https://github.com/harry0703/MoneyPrinterTurbo.git
 cd MoneyPrinterTurbo
-conda create -n MoneyPrinterTurbo python=3.11
-conda activate MoneyPrinterTurbo
-pip install -r requirements.txt
+pdm sync
 ```
 
 #### ② 安装好 ImageMagick
@@ -222,14 +220,12 @@ pip install -r requirements.txt
 ###### Windows
 
 ```bat
-conda activate MoneyPrinterTurbo
 webui.bat
 ```
 
 ###### MacOS or Linux
 
 ```shell
-conda activate MoneyPrinterTurbo
 sh webui.sh
 ```