* todo tool feature added to tools
* removed configs
* fix: require user_id on TodoListTool, normalize timestamps, add tests
* lint and tests fixes
* refactor: support multiple todos per user/tool by indexing with todo_id
* modified todo_id to use auto-increamenting integer instead of UUID
* test-case fixes
* feat: fix todos
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Co-authored-by: Alex <a@tushynski.me>
