Added Servlets
Update QueueingApp/src/main/WebContent/META-INF/MANIFEST.MF, QueueingApp/src/main/WebContent/WEB-INF/web.xml, QueueingApp/src/main/WebContent/customerQueuePage.jsp, QueueingApp/src/main/WebContent/customerSignupPage.jsp, QueueingApp/src/main/WebContent/landingPage.jsp, QueueingApp/src/main/WebContent/queue-picture.jpg, QueueingApp/src/main/WebContent/style.css, QueueingApp/src/main/WebContent/workerAddsCustomer.jsp, QueueingApp/src/main/WebContent/workerLogin.jsp, QueueingApp/src/main/WebContent/workerView.jsp