Add blog posts, cleanup unused files, update components

- Add 100 blog posts covering AI, development, and tech topics
- Add .env.example for environment configuration
- Add accessibility and lighthouse audit scripts
- Remove obsolete SEO reports and temporary files
- Remove dev-dist build artifacts and backup files
- Remove unused portrait images (moved/consolidated elsewhere)
- Update contact form and component improvements

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitignore

@@ -85,11 +85,3 @@ source-images/
 
 # Auto Claude data directory
 .auto-claude/
-
-# Auto Claude generated files
-.auto-claude-security.json
-.auto-claude-status
-.claude_settings.json
-.worktrees/
-.security-key
-logs/security/