docs: Update wiki for v1.4.0 with CLI and scripting documentation - Update Home.md with new CLI and GUI-Automation pages - Update Project-Architecture.md with current stack (PDFsharp 6.x, Roslyn) - Update Redaction-Library-Implementation.md with all operators implemented - Add CLI-Tool.md documenting pdfer commands - Add GUI-Automation.md documenting Roslyn scripting 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>