implement _repr_mimebundle_ for dataframe

[universalmind303]

Is your feature request related to a problem? Please describe.
Some jupyter frontends don't support 'repr_html` (such as zed). Implementing _repr_mimebundle_ will ensure dataframes are always properly displayed/formatted.

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Additional context
zed-industries/zed#15555 (comment)

[universalmind303]

So i guess there is a bug in vscode microsoft/vscode-notebook-renderers#189 and it won't render application/vnd.dataresource+json mimetypes, so if this is added, vcsode jupyter will no longer work by default. So this is effectively blocked until vscode can handle this mimetype.

[rgbkrk]

cc @DonJayamanne