📝 Check off example-code removal in backlog

Note the finished work under [Unreleased] and mark the task and its
subtasks done; retarget the v1.0 coverage tasks at the surviving
primitive module.

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - allow ternaries and lowercase comments in oxlint
 - switch `src/primitive.ts` prose from block comments to line comments
+- remove the template's `match`/`P` example modules and their documentation, and point `src/index.ts` at the primitive matchers
 
 ## [0.1.8] - 2026-09-16