Batch sample import service

[JeffreyThiessen]

What does this PR do and why?

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How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

u = User.all[3]

p = Project.all[0]

s = Samples::FileImportService.new(p,u, {file: '/home/CSCScience.ca/jthiessen/git/irida-next-core/test/fixtures/files/valid_batch_sample_import.csv', sample_name_column: 'sample_name'} ) 

s.execute

PR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the PR acceptance checklist for this PR.

[github-actions]

Code Metrics Report

Coverage	Test Execution Time
92.2%	9m58s

Code coverage of files in pull request scope (0.0%)

Files	Coverage
app/services/samples/file_import_service.rb	0.0%

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Reported by octocov