Updated desc/featurelist
Updated desc/featurelist

Re #4

nikolas/alabaster,jupytercalpoly/jupyter-alabaster-theme,ellisonbg/jupyter-alabaster-theme,charnpreetsingh/jupyter-alabaster-theme,jupytercalpoly/jupyter-alabaster-theme,charnpreetsingh/jupyter-alabaster-theme,bgeron/alabaster,ellisonbg/jupyter-alabaster-theme,nikolas/alabaster,bgeron/alabaster,charnpreetsingh/jupyter-alabaster-theme,jupytercalpoly/jupyter-alabaster-theme,ellisonbg/jupyter-alabaster-theme