docs: updated the Status section: sregex is already quite usable but the API is still in flux.
docs: updated the Status section: sregex is already quite usable but the API is still in flux.

openresty/sregex,MarginC/sregex,openresty/sregex,openresty/sregex,MarginC/sregex,MarginC/sregex,openresty/sregex,MarginC/sregex,MarginC/sregex