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/cfr.md

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+# cfr
+> Modern Java decompiler — handles Java 8+ features including lambdas and try-with-resources
+
+**Category:** [[categories/statically-analyze-code-java|Statically Analyze Code > Java]] | **Tier:** Rich (FOR610)
+**Docs:** [https://docs.remnux.org/discover-the-tools/statically+analyze+code/java](https://docs.remnux.org/discover-the-tools/statically+analyze+code/java)
+
+## Usage
+```bash
+cfr <file.jar> --outputdir output/
+cfr <file.class>
+```
+
+## Workflows
+- [[workflows/java-analysis-workflow|Java Malware Analysis]] — Step 2: Decompilation
+
+## Related Tools
+- [[tools/java-idx-parser|java-idx-parser]] — Analyze Java IDX files.
+- [[tools/javassist|Javassist]] — Java bytecode engineering toolkit/library.
+- [[tools/jd-gui-java-decompiler|JD-GUI Java Decompiler]] — Java decompiler with GUI.
+- [[tools/procyon|Procyon]] — Java decompiler.
+
+#java #decompilation #jar