Update docs metadata (#3781)

docs/reference/utils/callbacks/base.md

@@ -1,3 +1,8 @@
+---
+description: Explore how to use the on-train, on-validation, on-pretrain, and on-predict callbacks in Ultralytics. Learn to update params, save models, and add integration callbacks.
+keywords: Ultralytics, Callbacks, On-train, On-validation, On-pretrain, On-predict, Parameters update, Model saving, Integration callbacks
+---
+
 ## on_pretrain_routine_start
 ---
 ### ::: ultralytics.utils.callbacks.base.on_pretrain_routine_start
@@ -131,4 +136,4 @@
 ## add_integration_callbacks
 ---
 ### ::: ultralytics.utils.callbacks.base.add_integration_callbacks
-<br><br>
+<br><br>

docs/reference/utils/callbacks/clearml.md

@@ -1,3 +1,8 @@
+---
+description: Uncover the specifics of Ultralytics ClearML callbacks, from pretrain routine start to training end. Boost your ML model performance.
+keywords: Ultralytics, clearML, callbacks, pretrain routine start, validation end, train epoch end, training end
+---
+
 ## _log_debug_samples
 ---
 ### ::: ultralytics.utils.callbacks.clearml._log_debug_samples
@@ -31,4 +36,4 @@
 ## on_train_end
 ---
 ### ::: ultralytics.utils.callbacks.clearml.on_train_end
-<br><br>
+<br><br>

docs/reference/utils/callbacks/comet.md

@@ -1,3 +1,8 @@
+---
+description: Explore comprehensive documentation for utilising Comet Callbacks in Ultralytics. Learn to optimise training, logging, and experiment workflows.
+keywords: Ultralytics, Comet Callbacks, Training optimisation, Logging, Experiment Workflows
+---
+
 ## _get_comet_mode
 ---
 ### ::: ultralytics.utils.callbacks.comet._get_comet_mode
@@ -116,4 +121,4 @@
 ## on_train_end
 ---
 ### ::: ultralytics.utils.callbacks.comet.on_train_end
-<br><br>
+<br><br>

docs/reference/utils/callbacks/dvc.md

@@ -1,3 +1,8 @@
+---
+description: Browse through Ultralytics YOLO docs to learn about important logging and callback functions used in training and pretraining models.
+keywords: Ultralytics, YOLO, callbacks, logger, training, pretraining, machine learning, models
+---
+
 ## _logger_disabled
 ---
 ### ::: ultralytics.utils.callbacks.dvc._logger_disabled
@@ -46,4 +51,4 @@
 ## on_train_end
 ---
 ### ::: ultralytics.utils.callbacks.dvc.on_train_end
-<br><br>
+<br><br>

docs/reference/utils/callbacks/hub.md

@@ -1,3 +1,8 @@
+---
+description: Explore the detailed information on key Ultralytics callbacks such as on_pretrain_routine_end, on_model_save, on_train_start, and on_predict_start.
+keywords: Ultralytics, callbacks, on_pretrain_routine_end, on_model_save, on_train_start, on_predict_start, hub, training
+---
+
 ## on_pretrain_routine_end
 ---
 ### ::: ultralytics.utils.callbacks.hub.on_pretrain_routine_end
@@ -36,4 +41,4 @@
 ## on_export_start
 ---
 ### ::: ultralytics.utils.callbacks.hub.on_export_start
-<br><br>
+<br><br>

docs/reference/utils/callbacks/mlflow.md

@@ -1,3 +1,8 @@
+---
+description: Understand routines at the end of pre-training and training in Ultralytics. Elevate your MLflow callbacks expertise.
+keywords: Ultralytics, MLflow, Callbacks, on_pretrain_routine_end, on_train_end, Machine Learning, Training
+---
+
 ## on_pretrain_routine_end
 ---
 ### ::: ultralytics.utils.callbacks.mlflow.on_pretrain_routine_end
@@ -11,4 +16,4 @@
 ## on_train_end
 ---
 ### ::: ultralytics.utils.callbacks.mlflow.on_train_end
-<br><br>
+<br><br>

docs/reference/utils/callbacks/neptune.md

@@ -1,3 +1,8 @@
+---
+description: Explore exhaustive details about Ultralytics callbacks in Neptune, with specifics about scalar logging, routine start, and more.
+keywords: Ultralytics, Neptune callbacks, on_train_epoch_end, on_val_end, _log_plot, _log_images, on_pretrain_routine_start, on_fit_epoch_end, on_train_end
+---
+
 ## _log_scalars
 ---
 ### ::: ultralytics.utils.callbacks.neptune._log_scalars
@@ -36,4 +41,4 @@
 ## on_train_end
 ---
 ### ::: ultralytics.utils.callbacks.neptune.on_train_end
-<br><br>
+<br><br>

docs/reference/utils/callbacks/raytune.md

@@ -1,4 +1,9 @@
+---
+description: Discover the functionality of the on_fit_epoch_end callback in the Ultralytics YOLO framework. Learn how to end an epoch in your deep learning projects.
+keywords: Ultralytics, YOLO, on_fit_epoch_end, callbacks, documentation, deep learning, YOLO framework
+---
+
 ## on_fit_epoch_end
 ---
 ### ::: ultralytics.utils.callbacks.raytune.on_fit_epoch_end
-<br><br>
+<br><br>

docs/reference/utils/callbacks/tensorboard.md

@@ -1,3 +1,8 @@
+---
+description: Explore Ultralytics YOLO Docs for a deep understanding of log_scalars, on_batch_end & other callback utilities embedded in the tensorboard module.
+keywords: Ultralytics, YOLO, documentation, callback utilities, log_scalars, on_batch_end, tensorboard
+---
+
 ## _log_scalars
 ---
 ### ::: ultralytics.utils.callbacks.tensorboard._log_scalars
@@ -16,4 +21,4 @@
 ## on_fit_epoch_end
 ---
 ### ::: ultralytics.utils.callbacks.tensorboard.on_fit_epoch_end
-<br><br>
+<br><br>

docs/reference/utils/callbacks/wb.md

@@ -1,3 +1,8 @@
+---
+description: Deep dive into Ultralytics callbacks. Learn how to use the _log_plots, on_fit_epoch_end, and on_train_end functions effectively.
+keywords: Ultralytics, callbacks, _log_plots, on_fit_epoch_end, on_train_end
+---
+
 ## _log_plots
 ---
 ### ::: ultralytics.utils.callbacks.wb._log_plots
@@ -21,4 +26,4 @@
 ## on_train_end
 ---
 ### ::: ultralytics.utils.callbacks.wb.on_train_end
-<br><br>
+<br><br>