HACKING: Add doc about recording video of changes
HACKING: Add doc about recording video of changes

Major new changes should have video recorded of them before
the pull request is merged. This adds a description of how to
do that.

Closes #5760

stefwalter/cockpit,sgallagher/cockpit,mareklibra/cockpit,michalskrivanek/cockpit,arilivigni/cockpit,Scribery/cockpit,cockpit-project/cockpit,cockpituous/cockpit,larskarlitski/cockpit,larsu/cockpit,larskarlitski/cockpit,stefwalter/cockpit,dperpeet/cockpit,arilivigni/cockpit,cockpituous/cockpit,cockpituous/cockpit,stefwalter/cockpit,dperpeet/cockpit,harishanand95/cockpit,martinpitt/cockpit,deryni/cockpit,moraleslazaro/cockpit,Scribery/cockpit,xhad/cockpit,Scribery/cockpit,petervo/cockpit,cockpit-project/cockpit,deryni/cockpit,sgallagher/cockpit,moraleslazaro/cockpit,larsu/cockpit,mareklibra/cockpit,mareklibra/cockpit,stefwalter/cockpit,mvollmer/cockpit,xhad/cockpit,michalskrivanek/cockpit,arilivigni/cockpit,mvollmer/cockpit,moraleslazaro/cockpit,cockpituous/cockpit,cockpit-project/cockpit,mvollmer/cockpit,michalskrivanek/cockpit,dperpeet/cockpit,harishanand95/cockpit,Scribery/cockpit,petervo/cockpit,arilivigni/cockpit,arilivigni/cockpit,mareklibra/cockpit,SotolitoLabs/cockpit,garrett/cockpit,larskarlitski/cockpit,larsu/cockpit,petervo/cockpit,deryni/cockpit,andreasn/cockpit,cockpit-project/cockpit,mareklibra/cockpit,martinpitt/cockpit,sgallagher/cockpit,petervo/cockpit,Scribery/cockpit,andreasn/cockpit,xhad/cockpit,larsu/cockpit,petervo/cockpit,dperpeet/cockpit,garrett/cockpit,larskarlitski/cockpit,moraleslazaro/cockpit,mvollmer/cockpit,deryni/cockpit,deryni/cockpit,deryni/cockpit,andreasn/cockpit,arilivigni/cockpit,harishanand95/cockpit,SotolitoLabs/cockpit,larskarlitski/cockpit,xhad/cockpit,garrett/cockpit,harishanand95/cockpit,martinpitt/cockpit,SotolitoLabs/cockpit,larskarlitski/cockpit,sgallagher/cockpit,harishanand95/cockpit,andreasn/cockpit,michalskrivanek/cockpit,sgallagher/cockpit,larsu/cockpit,SotolitoLabs/cockpit,harishanand95/cockpit,martinpitt/cockpit,andreasn/cockpit,SotolitoLabs/cockpit,xhad/cockpit,andreasn/cockpit,xhad/cockpit,arilivigni/cockpit,harishanand95/cockpit,petervo/cockpit,mareklibra/cockpit,dperpeet/cockpit,cockpit-project/cockpit,michalskrivanek/cockpit,larskarlitski/cockpit,SotolitoLabs/cockpit,michalskrivanek/cockpit,sgallagher/cockpit,garrett/cockpit,martinpitt/cockpit,dperpeet/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,Scribery/cockpit,Scribery/cockpit,mareklibra/cockpit,cockpituous/cockpit,michalskrivanek/cockpit,xhad/cockpit,larsu/cockpit,stefwalter/cockpit,stefwalter/cockpit,stefwalter/cockpit,petervo/cockpit,andreasn/cockpit,cockpituous/cockpit,deryni/cockpit,moraleslazaro/cockpit,dperpeet/cockpit,garrett/cockpit,mvollmer/cockpit,sgallagher/cockpit,SotolitoLabs/cockpit