Add component(1) installation routine to Readme.
Add component(1) installation routine to Readme.

component(1) needs to find the component.json inside the master branch. Keep that in mind before accepting this pull request. ;)
mefozzy/mathjs,FSMaxB/mathjs,frbl/mathjs,josdejong/mathjs,golmansax/mathjs,FSMaxB/mathjs,josdejong/mathjs,mcanthony/mathjs,FSMaxB/mathjs,npmcomponent/josdejong-mathjs,luke-gumbley/mathjs,josdejong/mathjs,uber/mathjs,mefozzy/mathjs,devanp92/mathjs,mcanthony/mathjs,ericman314/mathjs,josdejong/mathjs,javiercejudo/mathjs,rjbaucells/mathjs,plotly/mathjs,ericman314/mathjs,DenisGorbachev/mathjs,saromanov/mathjs,luke-gumbley/mathjs,golmansax/mathjs,devanp92/mathjs,kelonye/mathjs,FSMaxB/mathjs,wyom/mathjs,wyom/mathjs,saromanov/mathjs,mikberg/mathjs,mikberg/mathjs,javiercejudo/mathjs,josdejong/mathjs,rjbaucells/mathjs,tomekwi/mathjs,jomachim/mathjs,jomachim/mathjs,BigFav/mathjs,FSMaxB/mathjs,DenisGorbachev/mathjs,frbl/mathjs,tomekwi/mathjs,CraigCav/mathjs