adding Flask-RESTful to requirements
adding Flask-RESTful to requirements

Bobfrat/ooi-ui-services,DanielJMaher/ooi-ui-services,ednad/ooi-ui-services,birdage/ooi-ui-services,oceanzus/ooi-ui-services,asascience-open/ooi-ui-services,FBRTMaka/ooi-ui-services