Docs URL fixes and YAML updates (#1383)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Huijae Lee <46982469+ZeroAct@users.noreply.github.com>

ultralytics/yolo/v8/segment/predict.py

@@ -76,17 +76,15 @@ class SegmentationPredictor(DetectionPredictor):
 
         # Write results
         for j, d in enumerate(reversed(det)):
-            cls, conf = d.cls.squeeze(), d.conf.squeeze()
+            cls, conf, id = d.cls.squeeze(), d.conf.squeeze(), None if d.id is None else int(d.id.item())
             if self.args.save_txt:  # Write to file
-                seg = mask.segments[len(det) - j - 1].copy()  # reversed mask.segments
-                seg = seg.reshape(-1)  # (n,2) to (n*2)
-                line = (cls, *seg, conf) if self.args.save_conf else (cls, *seg)  # label format
+                seg = mask.segments[len(det) - j - 1].copy().reshape(-1)  # reversed mask.segments, (n,2) to (n*2)
+                line = (cls, *seg) + (conf, ) * self.args.save_conf + (() if id is None else (id, ))
                 with open(f'{self.txt_path}.txt', 'a') as f:
                     f.write(('%g ' * len(line)).rstrip() % line + '\n')
-
             if self.args.save or self.args.save_crop or self.args.show:  # Add bbox to image
                 c = int(cls)  # integer class
-                name = f'id:{int(d.id.item())} {self.model.names[c]}' if d.id is not None else self.model.names[c]
+                name = ('' if id is None else f'id:{id} ') + self.model.names[c]
                 label = None if self.args.hide_labels else (name if self.args.hide_conf else f'{name} {conf:.2f}')
                 self.annotator.box_label(d.xyxy.squeeze(), label, color=colors(c, True)) if self.args.boxes else None
             if self.args.save_crop: