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/Sword and Shield Ultimate Plus.md

@@ -0,0 +1,33 @@
+---
+title: "Pokémon Sword and Shield Ultimate Plus"
+platform: GBA
+base: "FireRed"
+version: "1.2.1.2"
+status: "Ongoing"
+type: ["Demake", "New Experience"]
+generation: "Gen 8 on GBA"
+library_path: "roms/gba/Hacks/Pokemon - Sword and Shield Ultimate Plus (Hack).gba"
+source: "https://duckduckgo.com/?q=Pok%C3%A9mon%20Sword%20and%20Shield%20Ultimate%20Plus%20rom%20hack"
+added: 2026-06-06
+tags: ["hack", "platform/gba", "base/firered", "status/ongoing", "type/demake", "type/newexperience"]
+---
+# Pokémon Sword and Shield Ultimate Plus
+
+> [!info] Demake · New Experience — **Ongoing**
+> Game Boy Advance · base **FireRed** · version **1.2.1.2** · Gen 8 on GBA
+
+## Summary
+A Galar (Sword/Shield) demake bringing Gen 8's region, Pokémon, and Dynamax-era content to the GBA.
+
+## Type
+[[Types#Demake|Demake]] [[Types#New Experience|New Experience]]
+
+## Links
+- Source: _(not catalogued — see lookup)_
+- Lookup: https://duckduckgo.com/?q=Pok%C3%A9mon%20Sword%20and%20Shield%20Ultimate%20Plus%20rom%20hack
+
+## In the library
+- `roms/gba/Hacks/Pokemon - Sword and Shield Ultimate Plus (Hack).gba` on valhalla
+- Patch/source artifact archived under `/storage1/igir/romhacks/patches/`
+
+[[Index|← back to directory]]