feat: add one-click start scripts (start.bat / start.sh)

start.bat

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+@echo off
+title Deepfake Authenticator
+color 0A
+
+echo.
+echo  ============================================
+echo    DEEPFAKE AUTHENTICATOR - Starting...
+echo  ============================================
+echo.
+
+:: Check if venv exists
+if not exist "venv\Scripts\activate.bat" (
+    echo  [!] Virtual environment not found.
+    echo  [*] Run setup.bat first to install dependencies.
+    echo.
+    pause
+    exit /b 1
+)
+
+:: Activate venv
+call venv\Scripts\activate.bat
+
+:: Kill anything on port 8000
+echo  [*] Clearing port 8000...
+for /f "tokens=5" %%a in ('netstat -aon ^| findstr ":8000 " 2^>nul') do (
+    taskkill /PID %%a /F >nul 2>&1
+)
+
+echo  [*] Starting server...
+echo  [*] Open your browser at: http://localhost:8000
+echo.
+echo  Press Ctrl+C to stop the server.
+echo  ============================================
+echo.
+
+:: Open browser after 5 seconds in background
+start /b cmd /c "timeout /t 8 /nobreak >nul && start http://localhost:8000"
+
+:: Start server
+cd backend
+python -m uvicorn main:app --host 0.0.0.0 --port 8000 --log-level warning
+
+echo.
+echo  Server stopped.
+pause

start.sh

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+#!/bin/bash
+clear
+echo ""
+echo " ============================================"
+echo "   DEEPFAKE AUTHENTICATOR - Starting..."
+echo " ============================================"
+echo ""
+
+# Check venv
+if [ ! -f "venv/bin/activate" ]; then
+    echo " [!] Virtual environment not found."
+    echo " [*] Run ./setup.sh first to install dependencies."
+    echo ""
+    exit 1
+fi
+
+source venv/bin/activate
+
+# Kill anything on port 8000
+echo " [*] Clearing port 8000..."
+lsof -ti:8000 | xargs kill -9 2>/dev/null
+
+echo " [*] Starting server..."
+echo " [*] Open your browser at: http://localhost:8000"
+echo ""
+echo " Press Ctrl+C to stop."
+echo " ============================================"
+echo ""
+
+# Open browser after 8s in background
+(sleep 8 && open "http://localhost:8000" 2>/dev/null || xdg-open "http://localhost:8000" 2>/dev/null) &
+
+cd backend
+python -m uvicorn main:app --host 0.0.0.0 --port 8000 --log-level warning