docs(obsidian): update vault workspace

docs/TODO.md

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+# project ideas
+
+- RenPy playthrough generator
+- obsidian-source-notes (`ingest-*` skills)
+- obsidian-game-backlog
+- whisper dictation
+- breadcrumbs
+- gingko
+- pokemon-classifier-ml
+- home assistant agent integration
+- wallpaper randomizer
+- ebook tool (might be an overlap with `ingest-ebook`)
+- amazon / actualbudget exporter
+- vim-obsidian-markdown
+- dictionary cli tool
+- kitchen.md
+
+# migration
+
+- [[conventional-commits]] -> skill?
+- [[dictionary]] -> cli tool
+- [[technical-writing]] -> skill?
+- gitea-axi
+- skills
+
+# tech debt
+- git worktrees for monorepo
+- refactor/review `configs/nixos`
+
+# learning
+- https://www.youtube.com/@EeroAlvar/videos