[tutorial] add video link (#2619)

examples/tutorial/README.md

@@ -20,13 +20,13 @@ quickly deploy large AI model training and inference, reducing large AI model tr
 
 ## Table of Content
 
- - Multi-dimensional Parallelism [[code]](https://github.com/hpcaitech/ColossalAI/tree/main/examples/tutorial/hybrid_parallel)
- - Sequence Parallelism [[code]](https://github.com/hpcaitech/ColossalAI/tree/main/examples/tutorial/sequence_parallel)
- - Large Batch Training Optimization [[code]](https://github.com/hpcaitech/ColossalAI/tree/main/examples/tutorial/large_batch_optimizer)
- - Automatic Parallelism [[code]](https://github.com/hpcaitech/ColossalAI/tree/main/examples/tutorial/auto_parallel)
- - Fine-tuning and Inference for OPT [[code]](https://github.com/hpcaitech/ColossalAI/tree/main/examples/tutorial/opt)
- - Optimized AlphaFold [[code]](https://github.com/hpcaitech/ColossalAI/tree/main/examples/tutorial/fastfold)
- - Optimized Stable Diffusion [[code]](https://github.com/hpcaitech/ColossalAI/tree/main/examples/images/diffusion)
+ - Multi-dimensional Parallelism [[code]](https://github.com/hpcaitech/ColossalAI/tree/main/examples/tutorial/hybrid_parallel) [[video]](https://www.youtube.com/watch?v=OwUQKdA2Icc)
+ - Sequence Parallelism [[code]](https://github.com/hpcaitech/ColossalAI/tree/main/examples/tutorial/sequence_parallel) [[video]](https://www.youtube.com/watch?v=HLLVKb7Cszs)
+ - Large Batch Training Optimization [[code]](https://github.com/hpcaitech/ColossalAI/tree/main/examples/tutorial/large_batch_optimizer) [[video]](https://www.youtube.com/watch?v=9Un0ktxJZbI)
+ - Automatic Parallelism [[code]](https://github.com/hpcaitech/ColossalAI/tree/main/examples/tutorial/auto_parallel) [[video]](https://www.youtube.com/watch?v=_-2jlyidxqE)
+ - Fine-tuning and Inference for OPT [[code]](https://github.com/hpcaitech/ColossalAI/tree/main/examples/tutorial/opt) [[video]](https://www.youtube.com/watch?v=jbEFNVzl67Y)
+ - Optimized AlphaFold [[code]](https://github.com/hpcaitech/ColossalAI/tree/main/examples/tutorial/fastfold) [[video]](https://www.youtube.com/watch?v=-zP13LfJP7w)
+ - Optimized Stable Diffusion [[code]](https://github.com/hpcaitech/ColossalAI/tree/main/examples/images/diffusion) [[video]](https://www.youtube.com/watch?v=8KHeUjjc-XQ)
 
 
 ## Discussion
@@ -37,7 +37,7 @@ If you think there is a need to discuss anything, you may jump to our [Slack](ht
 If you encounter any problem while running these tutorials, you may want to raise an [issue](https://github.com/hpcaitech/ColossalAI/issues/new/choose) in this repository.
 
 ## 🛠️ Setup environment
-You should use `conda` to create a virtual environment, we recommend **python 3.8**, e.g. `conda create -n colossal python=3.8`. This installation commands are for CUDA 11.3, if you have a different version of CUDA, please download PyTorch and Colossal-AI accordingly.
+[[video]](https://www.youtube.com/watch?v=dpMYj974ZIc) You should use `conda` to create a virtual environment, we recommend **python 3.8**, e.g. `conda create -n colossal python=3.8`. This installation commands are for CUDA 11.3, if you have a different version of CUDA, please download PyTorch and Colossal-AI accordingly.
 
 ```
 # install torch