update readme with dc2

README.md

@@ -17,12 +17,8 @@ This operator extracts features for video or text with [CLIP4Clip](https://arxiv
 
 ## Code Example
 
-Load an video from path './demo_video.mp4' to generate an video embedding. 
-
 Read the text 'kids feeding and playing with the horse' to generate an text embedding. 
 
- *Write the pipeline in simplified style*:
-
 ```python
 from towhee.dc2 import pipe, ops, DataCollection
 
@@ -37,6 +33,8 @@ DataCollection(p('kids feeding and playing with the horse')).show()
 ```
 ![](text_emb_output.png)  
 
+Load an video from path './demo_video.mp4' to generate an video embedding. 
+
 ```python
 from towhee.dc2 import pipe, ops, DataCollection