Adding a scorecard badge fom openssf ?

[andy778]

Would be simpler to see if a software have the basics in place and risk to use is low https://scorecard.dev/

e.g it will find that all are severity high and "Memory safety issue in Rust crate"
GHSA-v6h2-p8h4-qcjw
GHSA-c2qf-rxjj-qqgw
GHSA-7mvr-c777-76hp
GHSA-9965-vmph-33xx
GHSA-fjxv-7rqg-78g4
GHSA-p8p7-x288-28g6