docs: apply fleet-template (16-artifact scaffold)

Adds missing standard artifacts:
- README.md (if missing)
- AGENTS.md (AI agent contract)
- PLAN.md (current sprint)
- STATUS.md (where we are)
- DEVELOPMENT.md (dev workflow)
- DEPLOYMENT.md (deploy procedure)
- TESTING.md (test strategy)
- DECISIONS.md (ADR index + templates)
- .github/CODEOWNERS
- .github/workflows/ci.yml

Preserves all existing artifacts.

Refs: RugMunchMedia/fleet-template

commitlint.config.js

@@ -0,0 +1,10 @@
+module.exports = {
+  extends: ['@commitlint/config-conventional'],
+  rules: {
+    'type-enum': [2, 'always', ['feat', 'fix', 'docs', 'style', 'refactor', 'perf', 'test', 'build', 'ci', 'chore', 'revert', 'ops', 'security']],
+    'scope-case': [2, 'always', 'lower-case'],
+    'subject-case': [2, 'always', 'lower-case'],
+    'subject-empty': [2, 'never'],
+    'type-empty': [2, 'never'],
+  },
+};