Add a web UI for taskbook

**Is your feature request related to a problem? Please describe.**
The feature is not related to any stated problem in the issues. It is a new feature.

**Describe the solution you'd like**
I would like to have taskbook have an interactive web based user interface.
Taskbook can then launch the browser via the command
```bash
tb --ui
```

**Additional context**
I think this feature will make TaskBook appealing to a larger audience other than cli power users only

The issue only identifies the existing Taskbook CLI and the proposed `tb --ui` command; it names no files or tests. Start by locating the CLI entry point and understanding how commands are parsed. Done means a usable interactive web interface can be launched with `tb --ui` and supports Taskbook's tasks, boards, and notes.

Written by the indexing model from the issue text.