Add ability to skip opening and end credits in TV Shows

[JuiceWSA]

[Implemented] TV Series intro/outro time span definition and auto-skip

When watching a collection of TV episodes, it would be quite useful to identify the start and end of the intro (opening credits) and outro (ending credits) to support auto-skipping these as a feature during large episode viewing.  This would most likely need to be defined per-series with customization per-episode as I have observed exceptions in both cases.   As an example, watching a television show and all of season 04 episodes display the opening credits between 01:20 and 02:35 with a fade-…

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