Automated PR: Standardising Files

[kitchen-porter]

This PR will standardise the files we have with out agreed spec in sous-chefs/repo-management.
This repo has been identified by topic(s) of chef-cookbook

[github-actions]

Slowest examples

Top 10 slowest examples (0.2 seconds, 74.6% of total time)

Example	Description	Time in seconds
spec/unit/recipes/add_to_list_missing_file_spec.rb:28	spectest::add_to_list_missing_file should throw error with a file not found message	0.05368
spec/unit/recipes/append_if_no_line_missing_file_spec.rb:28	spectest::append_if_no_line_missing_file should throw error with a file not found message	0.03741
spec/unit/recipes/delete_from_list_missing_file_spec.rb:28	spectest::delete_from_list_missing_file should throw error with a file not found message	0.0365
spec/unit/recipes/delete_lines_missing_file_spec.rb:28	spectest::delete_lines_missing_file should throw error with a file not found message	0.03346
spec/unit/recipes/replace_or_add_missing_file_spec.rb:28	spectest::replace_or_add_missing_file should throw error with a file not found message	0.03107
spec/cookbook/documentation_spec.rb:12	linked documentation files exist File documentation/resources/append_if_no_line.md should exist	0.01101
spec/unit/library/filter/stanza_spec.rb:134	stanza method should allow certain characters in a stanza name	0.00295
spec/unit/library/filter/replace_between_spec.rb:89	replace_between method should not raise an error if an unsafe condition occurs and safe is false	0.00064
spec/unit/library/list_helper_spec.rb:387	list_helper methods three delimeters add to list with list ends_with should delete an entry from a list	0.00062
spec/unit/library/list_helper_spec.rb:336	list_helper methods three delimeters add to list should add an entry to a list	0.00061