tutorial add opensora-pku

Author: zhanghuiyao

model-examples/README.md

@@ -0,0 +1,19 @@
+# MindSpore 模型案例
+
+
+### AIGC/文生图
+
+- (TODO) [FLUX.1]()
+
+
+### AIGC/文生视频
+
+- [OpenSora-PKU 从零到一简单介绍](./opensora-pku/opensora-pku%20implemented%20from%20scratch.md)
+    - [T5-XXL 简介与 MindSpore 实现](./opensora-pku/T5_implement.md)
+    - [Attention 模块的 MindSpore 实现](./opensora-pku/T5_attention_module_implement.md)
+    - [MindSpore 静态图训练流程介绍](./opensora-pku/docs/MindSpore%20static%20graph%20training%20process%20introduction.md)
+
+
+### AIGC/文生音频
+
+- (TODO) [MusicGen 介绍与推理实现]()