Update README.adoc

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

Author: hyperpolymath

README.adoc

@@ -1,7 +1,8 @@
 = Qubes SDP - Software Development Platform
+image:[License,link="https://github.com/hyperpolymath/palimpsest-license"]
 
-image:https://img.shields.io/badge/License-MPL_2.0-blue.svg[MPL-2.0,link="https://opensource.org/licenses/MPL-2.0"]
-image:https://img.shields.io/badge/Philosophy-Palimpsest-purple.svg[Palimpsest,link="https://github.com/hyperpolymath/palimpsest-licence"]
+// SPDX-License-Identifier: PMPL-1.0
+// SPDX-FileCopyrightText: 2025 Jonathan D.A. Jewell
 
 :toc: left
 :toclevels: 3