Update documentation and add architectural approach document

Docker/RCEO-AIOS-Public-Tools-DocMaker-Base/TODO.md

@@ -43,14 +43,15 @@ This document tracks potential enhancements and tools to be added to the documen
 - ✅ Core system packages (bash, curl, wget, git)
 - ✅ Programming languages (Python 3, Node.js, Rust)
 - ✅ Pandoc - Universal document converter
+- ✅ Wandmalfarbe pandoc-latex-template - Beautiful Eisvogel LaTeX template for professional PDFs
 - ✅ mdBook - Create books from Markdown files
 - ✅ mdbook-pdf - PDF renderer for mdBook
 - ✅ Typst - Modern typesetting system
 - ✅ Marp CLI - Create presentations from Markdown
-- ✅ Markwhen - Interactive text-to-timeline tool
+- ⏳ Markwhen - Interactive text-to-timeline tool (installation failed, needs fix)
 - ✅ Light LaTeX packages (texlive-latex-base) 
 - ✅ Spell/grammar checking tools (Hunspell, Aspell, Vale)
-- ✅ Text statistics tools (mdstat)
+- ✅ Text statistics tools (mdstat, textstat)
 - ✅ Non-root user management with UID/GID mapping
 - ✅ Entrypoint script for runtime user creation