docs: add quick start guide (PR #9245)

Add docs/quickstart.md, update mkdocs navigation, and update CHANGELOG.md to address reviewer request.

CHANGELOG.md

@@ -384,3 +384,7 @@ The format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 - BDD test suite (Behave + Robot Framework).
 - Nox automation for lint, typecheck, tests, docs, benchmarks.
 - MkDocs-powered documentation with CleverAgents branding.
+
+### Added
+- docs: Add quick start guide (docs/quickstart.md) and mkdocs navigation entry (PR #9245)
+

docs/quickstart.md

@@ -0,0 +1,44 @@
+# Quick Start Guide
+
+This quick start guide will walk you through creating a new project, registering a resource, running a plan, and applying changes with CleverAgents.
+
+## Prerequisites
+
+- Python 3.11+ and virtualenv
+- Git
+- A working CleverAgents installation (see development/testing.md for details)
+
+## Install (local development)
+
+```bash
+python -m venv .venv
+source .venv/bin/activate
+pip install -e .[dev]
+```
+
+## Create a new project
+
+```bash
+# Create a new directory for your project
+mkdir my-project && cd my-project
+# Initialize a CleverAgents project (example command)
+cleveragents init --name my-project
+```
+
+## Register a resource
+
+Create a resource file under `resources/` (example YAML) and register it with the CLI or API.
+
+## Plan and apply
+
+```bash
+# Generate a plan
+cleveragents plan --project my-project
+# Review the plan, then apply
+cleveragents apply --project my-project
+```
+
+## Troubleshooting
+
+If you encounter issues running the examples above, consult `docs/development/testing.md` and the project README for local development tips.
+

mkdocs.yml

@@ -43,6 +43,7 @@ nav:
     - Documentation Writer: development/docs-writer.md
   - Implementation Timeline: timeline.md
   - FAQ: faq.md
+  - Quick Start: quickstart.md
   - Reference: reference/
   - Architecture Decision Records (ADRs):
     - Overview: adr/index.md
@@ -73,7 +74,7 @@ nav:
     - ADR-025 Observability & Logging: adr/ADR-025-observability-and-logging.md
     - ADR-026 Agent-to-Agent Protocol (A2A): adr/ADR-026-agent-client-protocol.md
     - ADR-027 Language Server Protocol (LSP) Integration: adr/ADR-027-language-server-protocol.md
-    - ADR-028 Agent Skills Standard (AgentSkills.io): adr/ADR-028-agent-skills-standard.md
+    - ADR-028 Skill/Tool Abstraction Definition: adr/ADR-028-agent-skills-standard.md
     - ADR-029 Model Context Protocol (MCP) Adoption: adr/ADR-029-model-context-protocol.md
     - ADR-030 Skill Abstraction Definition: adr/ADR-030-skill-abstraction-definition.md
     - ADR-031 Actor Abstraction Definition: adr/ADR-031-actor-abstraction-definition.md