[docs] Add CogVideoX Schedulers (#10885)

update

docs/source/en/_toctree.yml

@@ -551,6 +551,8 @@
       title: DDIMInverseScheduler
     - local: api/schedulers/ddim
       title: DDIMScheduler
+    - local: api/schedulers/ddim_cogvideox
+      title: CogVideoXDDIMScheduler
     - local: api/schedulers/ddpm
       title: DDPMScheduler
     - local: api/schedulers/deis
@@ -563,6 +565,8 @@
       title: DPMSolverSDEScheduler
     - local: api/schedulers/singlestep_dpm_solver
       title: DPMSolverSinglestepScheduler
+    - local: api/schedulers/multistep_dpm_solver_cogvideox
+      title: CogVideoXDPMScheduler
     - local: api/schedulers/edm_multistep_dpm_solver
       title: EDMDPMSolverMultistepScheduler
     - local: api/schedulers/edm_euler

docs/source/en/api/schedulers/ddim_cogvideox.md

+<!--Copyright 2024 The HuggingFace Team. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+the License. You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+specific language governing permissions and limitations under the License.
+-->
+
+# CogVideoXDDIMScheduler
+
+`CogVideoXDDIMScheduler` is based on [Denoising Diffusion Implicit Models](https://huggingface.co/papers/2010.02502), specifically for CogVideoX models.
+
+## CogVideoXDDIMScheduler
+
+[[autodoc]] CogVideoXDDIMScheduler

docs/source/en/api/schedulers/multistep_dpm_solver_cogvideox.md

+<!--Copyright 2024 The HuggingFace Team. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+the License. You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+specific language governing permissions and limitations under the License.
+-->
+
+# CogVideoXDPMScheduler
+
+`CogVideoXDPMScheduler` is based on [DPM-Solver: A Fast ODE Solver for Diffusion Probabilistic Model Sampling in Around 10 Steps](https://huggingface.co/papers/2206.00927) and [DPM-Solver++: Fast Solver for Guided Sampling of Diffusion Probabilistic Models](https://huggingface.co/papers/2211.01095), specifically for CogVideoX models.
+
+## CogVideoXDPMScheduler
+
+[[autodoc]] CogVideoXDPMScheduler