Support easier install for windows users (#837)

* Add korean language set

Add korean language set

* Support easier install for windows users

added install.bat (create venv and install requirements)
and modify the project to use venv.

Install_Windows.bat

@@ -0,0 +1,22 @@
+@echo off
+
+if not exist "%~dp0\venv\Scripts" (
+    echo Creating venv...
+    python -m venv venv
+)
+
+echo checked the venv folder. now installing requirements..
+cd /d "%~dp0\venv\Scripts"
+call activate.bat
+
+cd /d "%~dp0"
+pip install -r requirements.txt
+
+if errorlevel 1 (
+    echo.
+    echo Requirements installation failed. please remove venv folder and run install.bat again.
+) else (
+    echo.
+    echo Requirements installed successfully.
+)
+pause

run_Windows.bat

@@ -1,5 +1,13 @@
 @echo off
 echo Opening ChuanhuChatGPT...
 
-REM Open powershell via bat
-start powershell.exe -NoExit -Command "python ./ChuanhuChatbot.py"
+goto :activate_venv
+
+:launch
+%PYTHON% ChuanhuChatbot.py %*
+pause
+
+:activate_venv
+set PYTHON="%~dp0\venv\Scripts\Python.exe"
+echo venv %PYTHON%
+goto :launch