feat: add deployment scripts, Docker, and Setup Wizard — Phase 8 complete

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

scripts/start.bat

@@ -0,0 +1,39 @@
+@echo off
+title TSMusicBot
+echo Starting TSMusicBot...
+echo.
+
+:: Check if node is available
+where node >nul 2>&1
+if %errorlevel% neq 0 (
+    echo Node.js is not installed. Please install Node.js 20 LTS from https://nodejs.org
+    pause
+    exit /b 1
+)
+
+:: Check if ffmpeg is available
+where ffmpeg >nul 2>&1
+if %errorlevel% neq 0 (
+    echo FFmpeg not found in PATH. Checking local directory...
+    if exist "%~dp0ffmpeg\ffmpeg.exe" (
+        set PATH=%~dp0ffmpeg;%PATH%
+        echo Using bundled FFmpeg.
+    ) else (
+        echo FFmpeg is required. Please install FFmpeg or place it in the ffmpeg\ directory.
+        pause
+        exit /b 1
+    )
+)
+
+:: Install dependencies if needed
+if not exist "%~dp0node_modules" (
+    echo Installing dependencies...
+    cd /d "%~dp0"
+    call npm install --production
+)
+
+:: Start the application
+cd /d "%~dp0"
+node dist/index.js
+
+pause