wiki: add stubs for Phase B/C/D/E pages so sidebar links resolve
Adds 39 placeholder pages so every sidebar entry resolves to real content
rather than a 404. Each stub declares its tier, the phase it will be filled
in, and a one-paragraph preview of what's coming. They link back to Home /
Getting-Started / Command-Reference / Cookbook for navigation.
Pages added:
- Phase B (Command Reference, 13): Command-Reference, Selection-and-
Inspection, Transform-and-Reshape, Aggregation-and-Statistics, Joins-
and-Set-Ops, SQL-and-Polars, Validation-and-Schema, Conversion-and-IO,
Geospatial, HTTP-and-Web, Scripting-Luau-Python, Indexing-Compression-
Diff, AI-and-Documentation
- Phase C (Cookbook recipes, 12): Recipe-Inspect-Unknown-CSV, Recipe-
Clean-and-Normalize, Recipe-Geographic-Enrichment, Recipe-Date-
Enrichment, Recipe-CKAN-Integration, Recipe-JSON-Schema-Validate,
Recipe-Build-a-Data-Pipeline, Recipe-Stats-to-Insights, Recipe-Fetch-
and-Cache, Recipe-Larger-than-RAM, Recipe-Diff-and-Audit, Recipe-Multi-
Table-Joins
- Phase D (Tuning + ecosystem, 8): Performance-Tuning, Environment-
Variables, Stats-Cache-and-Caching, Lookup-Tables, Claude-Cowork-Plugin,
MCP-Server, qsv-pro-Spotlight, Integrations
- Phase E (Polish, 6): Troubleshooting, FAQ, Comparison, Glossary,
External-Resources, Contributing-to-the-Wiki
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>