Add markdown wiki with 473 pages and zk browser

Generate interlinked wiki from master inventory: 397 tool pages,
15 workflow pages, 27 recipe pages, 33 category pages, plus index.
All pages use [[wiki-links]] for cross-navigation between tools,
workflows, recipes, and categories (1782 links total).

Install zk for interactive browsing with fzf search, tag filtering,
and backlink discovery. Add 'fhelp wiki' command and Makefile target.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

data/generated/wiki/tools/peepdf.md

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+# peepdf
+> Interactive PDF analysis framework with JavaScript detection and exploitation capabilities
+
+**Category:** [[categories/analyze-documents-pdf|Analyze Documents > PDF]] | **Tier:** Rich (FOR610)
+**Docs:** [https://docs.remnux.org/discover-the-tools/analyze+documents/pdf](https://docs.remnux.org/discover-the-tools/analyze+documents/pdf)
+
+## Usage
+```bash
+peepdf -i malicious.pdf
+peepdf -f -i malicious.pdf
+```
+
+## Recipes
+- [[recipes/pdf-javascript-extraction|Extract JavaScript from PDF]]
+
+## Related Tools
+- [[tools/origamindee|origamindee]] — Parse, modify, generate PDF files.
+- [[tools/pdf-parser|pdf-parser.py]] — Parse PDF structure, locate objects, extract content, and se
+- [[tools/pdfid|pdfid.py]] — Scan PDF files for suspicious keywords like /JavaScript, /Op
+- [[tools/pdfresurrect|pdfresurrect]] — Extract and analyze previous versions from PDF files
+- [[tools/pdftk|pdftk]] — Manipulate PDF files — merge, split, flatten, encrypt, and e
+
+## FOR610
+**Sections:** 1
+
+#pdf #interactive #javascript-detection