docs: Add project logo to all README files

- Add claude-howto-logo.svg to 12 README files across the project
- Use appropriate relative paths for different directory levels
- Include new memory guide screenshots
- Add personal CLAUDE.md configuration

🤖 Generated with Claude Code

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

06-plugins/README.md

@@ -1,3 +1,5 @@
+![Claude How To](../claude-howto-logo.svg)
+
 # Claude Code Plugins
 
 This folder contains complete plugin examples that bundle multiple Claude Code features into cohesive, installable packages.

06-plugins/devops-automation/README.md

@@ -1,3 +1,5 @@
+![Claude How To](../../claude-howto-logo.svg)
+
 # DevOps Automation Plugin
 
 Complete DevOps automation for deployment, monitoring, and incident response.

06-plugins/documentation/README.md

@@ -1,3 +1,5 @@
+![Claude How To](../../claude-howto-logo.svg)
+
 # Documentation Plugin
 
 Comprehensive documentation generation and maintenance for your project.

06-plugins/pr-review/README.md

@@ -1,3 +1,5 @@
+![Claude How To](../../claude-howto-logo.svg)
+
 # PR Review Plugin
 
 Complete PR review workflow with security, testing, and documentation checks.