added a new logo and an info page

Frontend/export/elog.csv

Frontend/export/elog.xes

Frontend/main.py

Frontend/static/OPTIS_logo.png

Frontend/static/OPTIS_logo2.png

Frontend/static/OPTIS_logo3.png

Frontend/static/OPTIS_small-icon.ico

Frontend/static/net.png

Frontend/static/preview_net.png

Frontend/static/process_net.png

Frontend/static/styles.css

Frontend/templates/base.html

Frontend/templates/case.html

Frontend/templates/index.html

Frontend/templates/info.html

Frontend/templates/start.html

backend/__pycache__/petrinet.cpython-311.pyc

backend/petrinet.py