Beefed up .gitignore

Added sample files folder
Working on pants import job example
Added instructions on how to use node, tested with existing project

.gitignore

@@ -2,4 +2,44 @@ node_modules/
 static/
 dw.json
 .DS_Store
-.vscode
+.vscode
+
+cartridges/app_storefront_base/cartridge/static/default/css/
+cartridges/app_storefront_base/cartridge/static/default/js/
+cartridges/app_storefront_base/cartridge/static/default/fonts/
+
+cartridges/app_storefront_base/cartridge/static/fr_FR/css/
+cartridges/app_storefront_base/cartridge/static/fr_FR/js/
+cartridges/app_storefront_base/cartridge/static/fr_FR/fonts/
+
+cartridges/app_storefront_base/cartridge/static/it_IT/css/
+cartridges/app_storefront_base/cartridge/static/it_IT/js/
+cartridges/app_storefront_base/cartridge/static/it_IT/fonts/
+
+cartridges/app_storefront_base/cartridge/static/ja_JP/css/
+cartridges/app_storefront_base/cartridge/static/ja_JP/js/
+cartridges/app_storefront_base/cartridge/static/ja_JP/fonts/
+
+cartridges/app_storefront_base/cartridge/static/zh_CN/css/
+cartridges/app_storefront_base/cartridge/static/zh_CN/js/
+cartridges/app_storefront_base/cartridge/static/zh_CN/fonts/
+
+cartridges/app_storefront_base/cartridge/static/en_GB/css/
+cartridges/app_storefront_base/cartridge/static/en_GB/js/
+cartridges/app_storefront_base/cartridge/static/en_GB/fonts/
+
+coverage/
+npm-debug.log
+cartridges.zip
+.idea/
+sitegenesisdata/
+mobilefirstdata/
+storefrontdata/
+demo_data_sfra/
+demo_data_sfra.zip
+test/appium/webdriver/config.json
+.history
+*.iml
+.idea
+test/acceptance/report
+test/integration/config.json