add image into doc.

Signed-off-by: wxywb <xy.wang@zilliz.com>

README.md

@@ -28,15 +28,15 @@ import towhee
 
 towhee.glob('./teddy.jpg') \
       .image_decode() \
-      .image_text_embedding.japanese_clip(model_name='clip_vit_b32', modality='image') \
+      .image_text_embedding.japanese_clip(model_name='japanese-clip-vit-b-16', modality='image') \
       .show()
 
 towhee.dc(["スケートボードに乗っているテディベア。"]) \
-      .image_text_embedding.japanese_clip(model_name='clip_vit_b32', modality='text') \
+      .image_text_embedding.japanese_clip(model_name='japanese-clip-vit-b-16', modality='text') \
       .show()
 ```
-<img src="https://towhee.io/image-text-embedding/clip/raw/branch/main/vec1.png" alt="result1" style="height:20px;"/>
-<img src="https://towhee.io/image-text-embedding/clip/raw/branch/main/vec2.png" alt="result2" style="height:20px;"/>
+<img src="./vec1.png" alt="result1" style="height:20px;"/>
+<img src="./vec2.png" alt="result2" style="height:20px;"/>
 
 *Write a same pipeline with explicit inputs/outputs name specifications:*
 
@@ -45,17 +45,17 @@ import towhee
 
 towhee.glob['path']('./teddy.jpg') \
       .image_decode['path', 'img']() \
-      .image_text_embedding.japanese_clip['img', 'vec'](model_name='clip_vit_b32', modality='image') \
+      .image_text_embedding.japanese_clip['img', 'vec'](model_name='japanese-clip-vit-b-16', modality='image') \
       .select['img', 'vec']() \
       .show()
 
 towhee.dc['text'](["スケートボードに乗っているテディベア。"]) \
-      .image_text_embedding.japanese_clip['text','vec'](model_name='clip_vit_b32', modality='text') \
+      .image_text_embedding.japanese_clip['text','vec'](model_name='japanese-clip-vit-b-16', modality='text') \
       .select['text', 'vec']() \
       .show()
 ```
-<img src="https://towhee.io/image-text-embedding/clip/raw/branch/main/tabular1.png" alt="result1" style="height:60px;"/>
-<img src="https://towhee.io/image-text-embedding/clip/raw/branch/main/tabular2.png" alt="result2" style="height:60px;"/>
+<img src="./tabular1.png" alt="result1" style="height:60px;"/>
+<img src="./tabular2.png" alt="result2" style="height:60px;"/>
 
 
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