Add docs/questions and corresponding scripts/skill

[bfollington]

• Add todo-list to index.md
• Introduce questions abstraction and skill
• Answer first question

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Summary by cubic

Adds a lightweight question management system (docs, scripts, and agent skill) to capture, search, and maintain research questions. Also updates patterns to include the todo-list example and tweaks its suggestion text.

• New Features

  • Introduced docs/questions with README, template, and index.json.
  • Added record-answer.sh and list-questions.sh for creating, linking, and listing questions.
  • Added a questions skill (.claude/skills/questions) and referenced it in AGENTS.md.
  • Recorded the first answered entry: get the user DID via runtime.storageManager.as.did().
  • Updated patterns: added todo-list to index.md and refined suggestion text in todo-list.tsx.

• Migration

  • chmod +x record-answer.sh list-questions.sh; install ripgrep (rg) and jq.

^{Written for commit 1e92b5d. Summary will update automatically on new commits.}