updated Flow chart section, also added compressed PDF for RAZ by the following script in the folder
gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dNOPAUSE -dQUIET -dBATCH -sOutputFile=Group_1_Project_2_5714_S14-compressed.pdf Group_1_Project_2_5714_S14.pdf