增加git控制文件

.gitignore

+/app/etc/config.php
+/.gitignore
+cache
+composer_home
+log
+page_cache
+view_preprocessed
+static
+errors
+media
+opt
+/app/etc/env.php
+generated
+var
+.idea
+/.php_cs.cache
+/app/design/frontend/Joshine/breeze/Magento_Theme/templates/root.phtml
+/pub/feed
+/lib/web/images/loader-1.gif
+/lib/web/images/loader-2.gif