update README to include paracordchat

[JakeTrock]

What is the purpose of this pull request? (put an "X" next to item)

[ X] Documentation update [ ] Bug fix [ ] New feature [ ] Other, please explain:

What changes did you make? (Give an overview)

Added an entry for paracordchat.com to the readme

Which issue (if any) does this pull request address?

N/A

Is there anything you'd like reviewers to focus on?

N/A