LamineCisse/BEP032-examples: channel_type added in channel.tsv (BEP standard) add PowerLineFrequency in ephys-json for ephys_nwb_petersen file add PowerLineFrequency and PowerLineFrequencyUnit in ephys-json for ephys_nix file @ 1692eae8ccae6e9e86526a4b0753301491517d45

Lamine Cisse 1692eae8cc add type channel in channels.tsv		%!s(int64=2) %!d(string=hai) anos
..
sub-i	1692eae8cc add type channel in channels.tsv	%!s(int64=2) %!d(string=hai) anos
sub-l	1692eae8cc add type channel in channels.tsv	%!s(int64=2) %!d(string=hai) anos
dataset_description.json	fa61ce1559 gin commit from nit-ope-de04	%!s(int64=3) %!d(string=hai) anos
participants.json	fa61ce1559 gin commit from nit-ope-de04	%!s(int64=3) %!d(string=hai) anos
participants.tsv	fa61ce1559 gin commit from nit-ope-de04	%!s(int64=3) %!d(string=hai) anos
tasks.json	fa61ce1559 gin commit from nit-ope-de04	%!s(int64=3) %!d(string=hai) anos
tasks.tsv	abf06b54c1 ModifyColname	%!s(int64=2) %!d(string=hai) anos