Standardise files with files in chef-cookbooks/repo-management

Signed-off-by: Xorima Bot <xorimabot@avon-lea.co.uk>

.editorconfig

-#https://EditorConfig.org
+# https://EditorConfig.org
+
 # top-most EditorConfig file
 root=true
 
+# Unix-style newlines with a newline ending every file
 [*]
 end_of_line = lf
 insert_final_newline = true
+
+# 2 space indentation
 indent_style = space
 indent_size = 2
+
+# Avoid issues parsing cookbook files later
 charset = utf-8
+
+# Avoid cookstyle warnings
 trim_trailing_whitespace = true

.github/workflows/branchcleanup.yml

 ---
 name: Branch Cleanup
 # This workflow is triggered on all closed pull requests.
-# However the script does not do anything it a merge was not performed.
+# However the script does not do anything if a merge was not performed.
 on:
   pull_request:
     types: [closed]

.gitignore

 *.rbc
 .config
-coverage
 InstalledFiles
 lib/bundler/man
 pkg
-rdoc
-spec/reports
 test/tmp
 test/version_tmp
 tmp
@@ -14,12 +11,15 @@ _Store
 *#
 .#*
 \#*#
-.*.sw[a-z]
 *.un~
 *.tmp
 *.bk
 *.bkup
 
+# editor temp files
+.idea
+.*.sw[a-z]
+
 # ruby/bundler files
 .ruby-version
 .ruby-gemset
@@ -27,14 +27,16 @@ _Store
 Gemfile.lock
 .bundle
 *.gem
+coverage
+spec/reports
 
-# YARD artifacts
+# YARD / rdoc artifacts
 .yardoc
 _yardoc
 doc/
-.idea
+rdoc
 
-# chef stuff
+# chef infra stuff
 Berksfile.lock
 .kitchen
 kitchen.local.yml