feat: Added a manual implementation of nms

src/main.rs

@@ -27,7 +27,9 @@ pub fn main() -> Result<()> {
             let output = model
                 .detect_faces(
                     array.clone(),
-                    FaceDetectionConfig::default().with_threshold(detect.threshold),
+                    FaceDetectionConfig::default()
+                        .with_threshold(detect.threshold)
+                        .with_nms_threshold(detect.nms_threshold),
                 )
                 .change_context(errors::Error)
                 .attach_printable("Failed to detect faces")?;