please support mermaid style paste

This is the mermaid mindmap generated by GPT4o.

This text uses no tab but 2 spaces for the indentation.

It would be great if you support this type of Paste natively.

Thanks.

mindmap
    Animals
        Mammals
            Dog🐶
            Cat🐱
            Elephant🐘
        Birds
            Eagle🦅
            Parrot🦜
            Penguin🐧
        Fish
            Shark🦈
            Salmon🐟
            Goldfish🐠
        Reptiles
            Snake🐍
            Turtle🐢
            Crocodile🐊