Update README for clarity on changes summary

Create README.md

update to v0.4

update

Create data_replicate.html

updated to V0.3

remove old version

Update DESCRIPTION

update syntax related to ggplot2

Delete FitFig_helper.R

0.2.1

version 0.2.1

Delete NAMESPACE

update with S4 method

Merge branch 'main' of https://github.com/Veronica0206/nlpsem