Update README.adoc

Signed-off-by: Jonathan D.A. Jewell <6759885+hyperpolymath@users.noreply.github.com>

Author: hyperpolymath

README.adoc

@@ -1,6 +1,9 @@
 = Wayfinder: Epistemic Infrastructure for Journalism
 
-image:https://img.shields.io/badge/license-Palimpsest--MPL--1.0-purple.svg[Palimpsest-MPL-1.0,link="https://github.com/hyperpolymath/palimpsest-license"] image:https://img.shields.io/badge/philosophy-Palimpsest-purple.svg[Palimpsest,link="https://github.com/hyperpolymath/palimpsest-licence"]
+image:[License,link="https://github.com/hyperpolymath/palimpsest-license"]
+
+// SPDX-License-Identifier: PMPL-1.0
+// SPDX-FileCopyrightText: 2025 Jonathan D.A. Jewell
 
 *Status*: Conceptual Design → Proof of Concept Development