Enhancement: add a date filter & calendar view on Contents panel.

[TieWay59]

Is your feature request related to a problem? Please describe.

I have hundreds of note entries to manage and I hope I can retrieve them by date in my local environment but the current Front-Matter does not have this feature. It can only sort it by date and group contents by Year.

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My alternatives is using other external tools. But if this simple feature is included in FM I can make my workflow easier.

[estruyf]

Thanks, @TieWay59, that makes a lot of sense.