currently without being able to pin helm chart versions deployed by the spawner, new daemons will use latest versions
using latest versions is discouraged as it potentitally introduces unwanted changes
this feature introduces the ability to specify the helm chart version and thereby pin helm chart versions deployed by the controller

adds lotus docker image options
allows changing helm repo url for lotus-bundle chart

update html and js

most fields already populated from json.
remove default lotus image tag from form

add placeholder valus

Co-authored-by: Will <will.scott@protocol.ai>