Update .gitignore, eefrtONLINE_Public.js, eefrtONLINE_Public.psyexp, eefrtONLINE_Public_lastrun.py, eefrtONLINE_Public-legacy-browsers.js, index.html, README.md, stim_files/example_image.png, stim_files/lose_image.PNG, stim_files/left_arrow.png, stim_files/pixel.png, stim_files/right_arrow.png, stim_files/win_image.png, stim_files/readme.md, stim_files/intro.csv, stim_files/instr.csv, stim_files/instr_select.csv, stim_files/prac.csv, stim_files/test_select.csv, stim_files/test.csv, stim_files/prac_select.csv, stim_files/preprac.csv, stim_files/smry.csv, stim_files/demo.csv files