setup fix for cocoapods, ruby newbies

Good day devs,
i came across cocoapods installed or not working issues when trying to setup working environment for hybrid development, here's a preview link to such error.
https://i.imgur.com/mWS6HN8.png

found a fix on stackoverflow where as this fix is not popular, so i decided to repost about it for it worked for me.

Thanks and below is the script to fix the issue

curl -L https://get.rvm.io | bash -s stable
rvm install ruby-2.6
rvm use ruby-2.6.5
rvm --default use 2.6.5
sudo gem update
sudo gem install ffi
brew install libffi
sudo gem install cocoapods
pod setup