More work on structure documentation.
More work on structure documentation.

ryanwinchester/laravel-docs,laravel-china/laravel-docs,tusharvikky/docs,iwzh/laravel-docs,khs1994-gitbook/laravel-docs,iwzh/laravel-doc-offline,ryanwinchester/laravel-docs,xpressengine/laravel-korean-docs,tusharvikky/docs,xpressengine/laravel-korean-docs,chenrenzhen/laravel-docs-china