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

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

.vscode/extensions.json

+{
+  "recommendations": [
+      "chef-software.chef",
+      "rebornix.ruby",
+      "editorconfig.editorconfig"
+  ]
+}
\ No newline at end of file