fix chromium extenson snapshot url error

tools/chromium_extension/images/README.md

@@ -1,9 +1,9 @@
 # 新增功能截图
 
-## 嵌入搜索引擎 谷歌搜索
+## 嵌入搜索引擎 有道搜索
 
 ![](https://github.com/jingjingxyk/chinese-programmer-wrong-pronunciation/blob/master/tools/chromium_extension/images/%E6%88%AA%E5%9B%BE2022-06-14-22-11.png?raw=true)
 
-## 嵌入搜索引擎 有道搜索
+## 嵌入搜索引擎 谷歌搜索
 
-![](https://raw.githubusercontent.com/jingjingxyk/chinese-programmer-wrong-pronunciation/master/tools/chromium_extension/images/截图2022-06-14-22-10.png)
+![](https://github.com/jingjingxyk/chinese-programmer-wrong-pronunciation/blob/master/tools/chromium_extension/images/截图2022-06-14-22-10.png?raw=true)