Iterate on readme

[stp-ip]

Is this a BUG REPORT or FEATURE REQUEST?:
feature

What happened:
Readme might still improvable.

Anything else we need to know?:
https://github.com/jehna/readme-best-practices

[wolfspyre]

instructions for installation now no longer accurate, as go get as an install mechanism has been replaced with different syntax (go install goo.ber/biscuit@latest)