Add YOLO11 TensorRT quantization benchmark scripts

- Engine build scripts (FP16/INT8)
- Benchmark validation scripts
- Result parsing and analysis tools
- COCO dataset configuration

build_int8_480.bat

@@ -0,0 +1,20 @@
+@echo off
+chcp 65001 >nul
+echo ============================================
+echo Building INT8 480p TensorRT Engine
+echo ============================================
+echo.
+
+call conda activate yolo
+
+echo Building engine...
+trtexec --onnx=yolo11n.onnx --saveEngine=yolo11n_int8_480.engine --explicitBatch --int8 --fp16 --workspace=4096 --builderOptimizationLevel=4 --profilingVerbosity=detailed --calib=yolo11n_int8_480.cache --optShapes=input:4x3x480x480 --maxShapes=input:8x3x480x480 --minShapes=input:1x3x480x480 --useCudaGraph --useSpinWait --noTF32
+
+if %errorlevel% equ 0 (
+    echo.
+    echo [SUCCESS] INT8 480p Engine: yolo11n_int8_480.engine
+) else (
+    echo [FAILED] INT8 480p Engine build failed
+)
+
+pause