Add Travis-CI config

Fix Travis-CI - flake8 - line too long

Add tags/ingredients/recipes filter, postman api calls

Update model and files to handle upload images using PIL

Add test update cases - put and patch

Add create recipe feature

Add recipe API, and custom recipe detail view

Add recipe table and basic string representation TDD

Add ingredients create ViewSet and TDD

Add Ingredient's API - list ingredients

Create Recipe App API

removed local .env, Travis-CI can't find .env because it was never pushed to github

Add Manage User's endpoints (update)

Add Token Authentication

Add user's app - API routes