Add videos to existing articles

[LWinterberg]

Following video tutorials is generally easier for users than converting written instructions into actions. As such, if you are somewhat comfortable following a script and recording videos, one of the best ways you can contribute to the support site is by just doing simple screen recordings and following the steps that are outlines in there already.

See https://support.audacityteam.org/community/contributing/tutorials/style-guide#video-tutorials for more information.