GitLab

- re-use previously evaluated embeddings when possible
- change embeddings digest identifier to be based on model name and embedded file path

- defer closing llm on embedding
- do not override licenses
- remove debugging print line
- reformat model file docs

- default to embeddings enabled
- move embedding logic for loaded model to request
- allow embedding full directory
- close llm on reload

Fixes #297
Fixes #296

switch to a monolithic upload instead of a chunk upload through a pipe
to report progress

- read runner options from map to see what was specified explicitly and overwrite zero values

ioutil is deprecated