Update doc/content/development/contributing.md
Update doc/content/development/contributing.md

Any altered functionality needs to include documentation

Co-authored-by: Madicken Munk <eb2e0848c829dceb61e11da7430da842a829b464@gmail.com>
lindsayad/moltres,arfc/moltres,arfc/moltres,lindsayad/moltres,lindsayad/moltres,arfc/moltres,arfc/moltres,lindsayad/moltres