add modules

add pivot table between users & conversations

create relations & some helper between user & conversation

change permission to 777

added developer name and email address

create Conversation model & migration

create a test build to test vuex is importing correctly in bootstrap js. (run npm dev executed)

install vuex using yarn

run make:auth artisan command

readme updated

fix a bug relatd to laravel 5.4 database update when users cant migrate anything

fixed a typo

readme updated

install laravel