Revise `utils.ingest_csv_to_table` to permit embedded lists

[CBroz1]

Currently, this function is a general solve for ingesting data from CSVs. If a CSV feeds multiple tables, the same path must be provided for each table. For a cleaner approach, tables could be provided as embedded lists.

[kabilar]

Thanks @CBroz1. Also, ingest_general uses commas as a delimiter, however this causes issues when parsing strings with commas (e.g. session.SessionNote). So we should figure out an alternative strategy.

[CBroz1]

Following feedback on this PR, a datajoint-python PR added the ability for direct CSV insertion. This migrates looping to the insert context. e.g.

my_path=pathlib.Path('my.csv')
for table in [Table1, Table2]:
  table.insert(my_path)