Add release management system and prepare v1.0.0 publication

- Add agent-releaseManager.md with comprehensive publication workflow guidance
- Add 6 release- prefixed make targets for structured release process:
  - release-check: Validate release readiness
  - release-prepare: Build packages and prepare release
  - release-test: Test publication via TestPyPI
  - release-publish: Publish to production PyPI
  - release-finalize: Post-release tasks (tags, GitHub releases)
  - release-rollback: Emergency rollback procedures
- Update pyproject.toml version from 0.1.0 to 1.0.0 for consistency with CHANGELOG.md
- Update installation documentation in README.md and GETTING_STARTED.md
  - Add current "from source" installation instructions
  - Maintain "from PyPI" instructions for post-publication
- Framework now ready for v1.0.0 publication with complete release workflow

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

docs/GETTING_STARTED.md

@@ -8,11 +8,31 @@ This guide walks you through using Kaizen Agentic agents in any project, from in
 
 ### 1. Install the Package
 
+**Option A: From Source (Current - Development Version)**
+
 ```bash
+# Clone the repository
+git clone https://github.com/kaizen-agentic/kaizen-agentic.git
+cd kaizen-agentic
+
+# Set up development environment
+make setup-complete
+
+# Install CLI tool
+make agents-install-cli
+
+# Activate virtual environment
+source .venv/bin/activate
+```
+
+**Option B: From PyPI (Coming Soon)**
+
+```bash
+# Will be available once v1.0.0 is published
 pip install kaizen-agentic
 ```
 
-This gives you the `kaizen-agentic` command globally.
+> **📦 Release Status**: v1.0.0 is ready for publication. See our [release workflow](../Makefile) with `make release-*` targets.
 
 ### 2. Verify Installation