Add VSCode as an inflection for vscode

This is added to allow Zeitwerk to correctly infer the classname of
vscode_extension_activity_unique_counter.rb as
VSCodeExtensionActivityUniqueCounter.

config/initializers_before_autoloader/000_inflections.rb

@@ -39,4 +39,5 @@ ActiveSupport::Inflector.inflections do |inflect|
   inflect.acronym 'EE'
   inflect.acronym 'JH'
   inflect.acronym 'CSP'
+  inflect.acronym 'VSCode'
 end