docs(readme): add SPDX header and/or standard badges

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: hyperpolymath

README.adoc

@@ -6,7 +6,9 @@
 
 image:https://img.shields.io/badge/Project-Topology-9558B2[Topology,link="TOPOLOGY.md"]
 image:https://img.shields.io/badge/Completion-80%25-green[80%,link="TOPOLOGY.md"]
+image:https://img.shields.io/badge/OpenSSF-Best_Practices-green?logo=opensourcesecurity[OpenSSF Best Practices,link="https://www.bestpractices.dev/en/projects/new?repo_url=https://github.com/hyperpolymath/InvestigativeJournalist.jl"]
 image:https://img.shields.io/badge/License-PMPL--1.0-blue.svg[License: PMPL-1.0,link="https://github.com/hyperpolymath/palimpsest-license"]
+image:https://api.thegreenwebfoundation.org/greencheckimage/github.com[Green Web,link="https://www.thegreenwebfoundation.org/green-web-check/?url=github.com"]
 image:https://img.shields.io/badge/Julia-1.10+-9558B2?logo=julia[Julia,link="https://julialang.org/"]
 
 *Structured Evidence for High-Stakes Reporting*