vimfu

Move shellpilot/videos to repo-root videos/ and commit recordings

4329/29 Engine: it/at ws-skip, undo timing msg (fixes 0084)

Section 1 complete

4328/30 Engine gq/gw: word-wrap reflow to cols-2 (fixes 0262, 0263)

4326/32 Engine !{motion}: built-in sort/uniq filter (fixes 0480)