Added alternative "Quick-Install" version with only one command  for Mac/Linux user
Added alternative "Quick-Install" version with only one command  for Mac/Linux user

jrobeson/platformio,aphelps/platformio,mplewis/platformio,bkudria/platformio,bkudria/platformio,aphelps/platformio,TimJay/platformio,bkudria/platformio,jrobeson/platformio,ZachMassia/platformio,awong1900/platformio,dkuku/platformio,TimJay/platformio,jrobeson/platformio,jrobeson/platformio,aphelps/platformio,eiginn/platformio,TimJay/platformio,TimJay/platformio,atyenoria/platformio,valeros/platformio,bkudria/platformio,mcanthony/platformio,aphelps/platformio,awong1900/platformio,mseroczynski/platformio,platformio/platformio-core,platformio/platformio-core,platformio/platformio,awong1900/platformio,TimJay/platformio