Refactor existing codebase

audit/run.js

core/file-guard.js

core/files.js

core/interceptor.js

core/main.js

core/mappings.js

core/messenger.js

core/request-analyzer.js

core/request-sanitizer.js

core/resources.js

core/shorthands.js

core/state-manager.js

modules/internal/helpers.js

modules/internal/icons.js

modules/internal/wrappers.js

pages/options/options.html

pages/options/options.js

pages/popup/icon.svg

pages/popup/popup.css

pages/popup/popup.html