snippet 支持 md 格式

"[markdown]": {
    "editor.formatOnSave": true,
        "editor.renderWhitespace": "all",
        "editor.quickSuggestions": {
            "other": true,
            "comments": true,
            "strings": true
        },
        "editor.acceptSuggestionOnEnter": "on"
    }

原文：https://blog.csdn.net/qiguanjiezl/article/details/117586545