[pr0gramm] implement InfoExtractor, Resolves #31433 (#31434)

[pr0gramm] implement InfoExtractor, Resolves #31433 (#31434)

* [pr0gramm] implement infoextractor

* [pr0gramm] remove misplaced comment, uncapture regex-group

* [pr0gramm]: specify utf-8 coding

* [pr0gramm]: add trailing comma to lists for maintainability

* [pr0gramm]: ie only sets upload_date attribute

* [pr0gramm]: add video_id to title

* [pr0gramm]: more forgiving _valid_url regex

* [pr0gramm]: add uploader to title, if set

* Discriminate URL pattern

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Co-authored-by: dirkf <fieldhouse@gmx.net>