template-engine-copier skill: initial import

Copier + Jinja template-repository design skill: reference architecture,
implementation workflow, validation checklist, and a full worked example
template (questionnaire, extensions, resolvers, wrapper-first .scripts).

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

example/README.md

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+# Example Template Repository
+
+This is a minimal but concrete Copier + Jinja template repository scaffold.
+
+It is intentionally **domain-generic** and demonstrates:
+
+- metadata + features questionnaire model,
+- dynamic module/component folder generation,
+- safe identifier resolver,
+- shell-based bootstrap/answers merge flow.
+
+## Render example
+
+```bash
+task copier:bootstrap-one -- --copier-target-dir "../rendered-example" --copier-params-file "./copier-answers.example.yaml"
+```