752 renaming classes from internal-catalog to pipeline, updating README
removed wrong github link
url routing clean up
error handling
db changes: changed pipelines.package_id to foreign key, removed state column
sto_6: Modification of an associated pipeline manually
sto_53: Last publication status of a pipeline, preparation for internalization, timout on UV connecting
added date formating (sto_53) and back buttons
bugfix: timeout on connecting to UV
added property for UV api url, little style change of choosing existing pipeline, added icon for pipeline tab
added some logging
sto_3
some error handling, removed testing connection to UV with getting pipeline with id -1
sto_9: Pipeline scheduling management (partially opens scheduler in UV)
sto_10: Dataset resource(s) created/updated on demand
changed icon on pipeline tab
sto_47: added filter for list
sto_53 changed to rest api execution/last, sto_24: next execution impl (has to be changed to api calls)
sto_3: pipeline name is required
minor refactoring, execute now fixed -> didnt show error message