v0.1.0 release

The is the v0.1.0 release of apsviz-timeseriesdb-ingest. In this release the obs and model ingest has been split
with the following table changes:

drf_gauge_data split too: drf_gauge_data and drf_model_data
drf_gauge_source split too: drf_gauge_source and drf_model_source
drf_harvest_data_file_meta split too: drf_harvest_obs_file_meta and drf_harvest_model_file_meta
drf_source_meta split too: drf_source_obs_meta and drf_source_model_meta

New columns have also been added to these tables.