Add .gitignore for Magento 2

Magento2.gitignore

@@ -0,0 +1,72 @@
+/.buildpath
+/.cache
+/.metadata
+/.project
+/.settings
+/.vscode
+atlassian*
+/nbproject
+/robots.txt
+/pub/robots.txt
+/sitemap
+/sitemap.xml
+/pub/sitemap
+/pub/sitemap.xml
+/.idea
+/.gitattributes
+/app/config_sandbox
+/app/etc/config.php
+/app/etc/env.php
+/app/code/Magento/TestModule*
+/lib/internal/flex/uploader/.actionScriptProperties
+/lib/internal/flex/uploader/.flexProperties
+/lib/internal/flex/uploader/.project
+/lib/internal/flex/uploader/.settings
+/lib/internal/flex/varien/.actionScriptProperties
+/lib/internal/flex/varien/.flexLibProperties
+/lib/internal/flex/varien/.project
+/lib/internal/flex/varien/.settings
+/node_modules
+/.grunt
+/Gruntfile.js
+/package.json
+/.php_cs
+/.php_cs.cache
+/grunt-config.json
+/pub/media/*.*
+!/pub/media/.htaccess
+/pub/media/attribute/*
+!/pub/media/attribute/.htaccess
+/pub/media/analytics/*
+/pub/media/catalog/*
+!/pub/media/catalog/.htaccess
+/pub/media/customer/*
+!/pub/media/customer/.htaccess
+/pub/media/downloadable/*
+!/pub/media/downloadable/.htaccess
+/pub/media/favicon/*
+/pub/media/import/*
+!/pub/media/import/.htaccess
+/pub/media/logo/*
+/pub/media/custom_options/*
+!/pub/media/custom_options/.htaccess
+/pub/media/theme/*
+/pub/media/theme_customization/*
+!/pub/media/theme_customization/.htaccess
+/pub/media/wysiwyg/*
+!/pub/media/wysiwyg/.htaccess
+/pub/media/tmp/*
+!/pub/media/tmp/.htaccess
+/pub/media/captcha/*
+/pub/media/sitemap/*
+!/pub/media/sitemap/.htaccess
+/pub/static/*
+!/pub/static/.htaccess
+
+/var/*
+!/var/.htaccess
+/vendor/*
+!/vendor/.htaccess
+/generated/*
+!/generated/.htaccess
+.DS_Store