Add original project as remote

# git remote -v
origin  git@github.com:rafipiccolo/puppeteer-report.git (fetch)
origin  git@github.com:rafipiccolo/puppeteer-report.git (push)

# git remote add upstream https://github.com/PejmanNik/puppeteer-report

# git remote -v
origin  git@github.com:rafipiccolo/puppeteer-report.git (fetch)
origin  git@github.com:rafipiccolo/puppeteer-report.git (push)
upstream        https://github.com/PejmanNik/puppeteer-report (fetch)
upstream        https://github.com/PejmanNik/puppeteer-report (push)

go to master and merge upstream

# git fetch upstream
remote: Enumerating objects: 80, done.
remote: Counting objects: 100% (64/64), done.
remote: Compressing objects: 100% (26/26), done.
remote: Total 50 (delta 27), reused 32 (delta 16), pack-reused 0
Unpacking objects: 100% (50/50), 6.65 KiB | 12.00 KiB/s, done.
From https://github.com/PejmanNik/puppeteer-report
 * [new branch]      develop    -> upstream/develop
 * [new branch]      master     -> upstream/master
 * [new tag]         v2.0.4     -> v2.0.4
 * [new tag]         v2.0.2     -> v2.0.2
 * [new tag]         v2.0.3     -> v2.0.3
 
# git checkout master
# git merge upstream/master
# git push