Animal Icons Request
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## Icon Request

* Icon name: Animal Icons
* Tags of this icon: cat, dog, fish
* Use case: Add some common animal icons like a cat, dog, fish, etc.
* Screenshots of similar icons: 
![DeepinScreenshot_select-area_20210428112620](https://user-images.githubusercontent.com/66765575/116355249-36151e80-a817-11eb-851d-40f591d46427.png)


