feat(roms): add Obsidian vault knowledge base for 75 library romhacks

build-romhack-vault.py generates pokemon-romhack-vault/: one note per hack
(YAML properties + tags + summary + links), an Index MOC (Dataview + static
table), a Types taxonomy, and per-platform MOCs. Dataset is the single source
of truth — edit + re-run to extend.

pokemon-romhack-vault/Hacks/Volt White.md

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+---
+title: "Pokémon Volt White"
+platform: NDS
+base: "White"
+version: "—"
+status: "Complete"
+type: ["Vanilla+", "Difficulty"]
+generation: "Gen 1–5 mons"
+library_path: "roms/nds/Hacks/Pokemon - Volt White (Hack).nds"
+source: "https://www.pokecommunity.com/threads/pokemon-blaze-black-volt-white.252355/"
+added: 2026-06-06
+tags: ["hack", "platform/nds", "base/white", "status/complete", "type/vanilla+", "type/difficulty"]
+---
+# Pokémon Volt White
+
+> [!info] Vanilla+ · Difficulty — **Complete**
+> Nintendo DS · base **White** · version **—** · Gen 1–5 mons
+
+## Summary
+Drayano's White overhaul — full availability and boosted difficulty. The White counterpart to Blaze Black.
+
+## Type
+[[Types#Vanilla+|Vanilla+]] [[Types#Difficulty|Difficulty]]
+
+## Links
+- Source / info: https://www.pokecommunity.com/threads/pokemon-blaze-black-volt-white.252355/
+- Lookup: https://duckduckgo.com/?q=Pok%C3%A9mon%20Volt%20White%20rom%20hack
+
+## In the library
+- `roms/nds/Hacks/Pokemon - Volt White (Hack).nds` on valhalla
+- Patch/source artifact archived under `/storage1/igir/romhacks/patches/`
+
+[[Index|← back to directory]]