Ability to add and remove addresses to an account added.

src/main/java/edu/drexel/TrainDemo/Services/UserService.java

...n/java/edu/drexel/TrainDemo/Services/UserServiceImpl.java

...java/edu/drexel/TrainDemo/controllers/UserController.java

src/main/java/edu/drexel/TrainDemo/models/Address.java

src/main/java/edu/drexel/TrainDemo/models/UserEntity.java

.../edu/drexel/TrainDemo/repositories/AddressRepository.java

src/main/resources/static/css/style.css

src/main/resources/static/js/user.js

src/main/resources/templates/user/addresses.html

src/main/resources/templates/user/dashboard.html