Add a rake task for getting a csv of debug info for a list of druids ... and update the replication errors wiki

[ndushay]

https://github.com/sul-dlss/preservation_catalog/wiki/Replication-errors refers to this rails console command:

druids = ZipPart.unreplicated.joins(zipped_moab_version: :preserved_object).pluck(:druid).uniq 
debug_infos = Audit::ReplicationSupport.zip_part_debug_info(druids)
# Wait for it to complete ...
CSV.open('debug_info.csv', 'wb') {|csv| debug_infos.each {|debug_info| csv << debug_info }}

Having a rake task for this implies it is more easily used and is also maintained code because of tests.

Note that issue #2224 is about doing a rake task for the first line above.

The actions for this ticket are

• to make a rake task
• have test code for the code part
• add header line with column names to the CSV created
  • The column names are not provided, they are in app/services/audit/replication_support.rb, and are the same as for the diagnose_replication task:

  druid,preserved object version,zipped moab version,endpoint,zip part status,zip part suffix,zipped moab parts count,zip part size,zip part md5,zip part id,zip part created at,zip part updated at,zip part s3 key,zip part endpoint status,zip part endpoint md5
  

• do a PR for the above
• update the wiki https://github.com/sul-dlss/preservation_catalog/wiki/Replication-errors to use the rake task instead of the rails console command.