Experiment-server

Fixed
- Participant order with dictionary failing
- Both levels of grouping correctly using latin square

Added
- `run` cli command has an `ask-default-participant-index` option.

Fixed
- Typos

Added
- documentation with mkdocs

Fixed
- CLI new-config-file handle error when directory does not exist.

Added
- Allow editing configs for a given block
- Methods to allow resetting participant state to allow the above work
- CLI option to generate new config

Changed
- Allow managing multiple participants
- Generated output can be written to stdout
- Renamed endpoints
- Refactor web ui and related backend
- js/css sources served locally
- Config displayed as table
- Update UI to manage multiple participants
- Uses htmx & alpine
- Added aliases to commands

Added
- Web ui: Adding refresh button and poll every min

Changed
- Web UI:
- Using htmx
- Show status
- Returned json from server is formatted

Added
- `block-id` and `status-string` to api