Add per-agent workspaces and MCP/skills backlog doc

- Add agent_workspaces/{ilia,family,wife} skeletons (AGENTS, USER, SOUL, memory)
- Add scripts/init-agent-workspaces.sh to populate ~/.nanobot/workspaces/
- Mount ~/.nanobot/workspaces/{ilia,family,wife} in multi compose as /workspace
- Document Step 0 and layout in DOCKER_MULTI_BOT_GUIDE.md
- Track docs/mcp_and_skills_backlog.md (force-add; docs/ is gitignored)

Made-with: Cursor

agent_workspaces/family/memory/HISTORY.md

@@ -0,0 +1,3 @@
+# Event log — Family
+
+Append-only style log for this household agent.