feat: Add webservice for demonstration

Add timeout parameter

Support batched requests

Fix schema, add docs on iterative workflow

Revert split-author entries in gold and adapt global instructions

Add support for global rules

Add `--grep` and skill to iteratively improve TEI element descriptions

Add support for <surname> and <forename>

Improve identifcation of `<label>`

Add human-readable output for comparison of gold and llm-annotation

Add human-inspectable to evaluate-llm.py output via `--show-annotations`

Improve Gliner model loading

Rename function to be more generic

Add evaluation