feat: updated insticator.md (#3864)
feat: updated insticator.md (#3864)

* test

* feat: added video placement param

* fix readme.md

Co-authored-by: Sergey Derbush <82b8f7e8059112d3ccf6baa3761f0fea90b770b0@lineate.com>
Co-authored-by: Ilya Stalmahov <791d62ed6908e1f5e496b4d6d99e22ec3f3cd6ec@dunice.net>
prebid/prebid.github.io,prebid/prebid.github.io,prebid/prebid.github.io