docs: update license from AGPL to PMPL

- Replace AGPL-3.0-or-later with PMPL-1.0-or-later
- Update license name and URLs
- Align with palimpsest-license standard

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: Your Name

README.adoc

@@ -39,7 +39,7 @@ This repository contains infrastructure and planning materials. Core application
 |ReScript + Deno + Rust stack defined
 
 |Licensing
-|AGPL-3.0-or-later
+|PMPL-1.0-or-later
 |===
 
 == Vision
@@ -133,7 +133,7 @@ This project is mirrored across multiple forges:
 
 == License
 
-This project is licensed under link:https://www.gnu.org/licenses/agpl-3.0.html[AGPL-3.0-or-later].
+This project is licensed under link:https://github.com/hyperpolymath/palimpsest-license.html[PMPL-1.0-or-later].
 
 == Roadmap