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

logo.svg

@@ -0,0 +1,11 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100">
+  <defs>
+    <linearGradient id="gold" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#f0a030"/>
+      <stop offset="100%" style="stop-color:#d48c1e"/>
+    </linearGradient>
+  </defs>
+  <circle cx="50" cy="50" r="45" fill="none" stroke="url(#gold)" stroke-width="4"/>
+  <path d="M30 65 L30 35 L42 50 L50 40 L58 50 L70 35 L70 65" fill="none" stroke="url(#gold)" stroke-width="5" stroke-linecap="round" stroke-linejoin="round"/>
+  <path d="M42 50 L50 60 L58 50" fill="none" stroke="url(#gold)" stroke-width="5" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>