Implemented simple react-router-dom for the login and dashboard view

See merge request !5

Refactoring changed merged successfully with current development stage of frontend. DASHBOARD: Newly added middle column in between map and visualiser which support functionality for region search and two options windows with menuitems selections

Fix: Changed to paths to the css folder to reflect previous change to folder name

See merge request !3

Fix: Changed back so that the Resource folder is named src (required) and...

See merge request !2

Fix: Changed back so that the Resource folder is named src (required) and renamed css folder to Css so that naming is consistent

Refactor css locations

See merge request !1

First implementation of dashboard added, including D3 interactive map of Sweden and a barchart compononent for visualization

Frontend: Added Components directory containing Sign In and Sign Up forms that can be switched between. UI functionality supported but backend API calls and authentication missing

Frontend: Removed boilerplate files and created a directory structure inside Components directory which contains Assets, Dashboard and SignIn/SignUp-Forms

Frontend: 1. Added Components directory containing Sign In and Sign Up forms. UI functionality supported but backend communication and authentication missing. 2. Assets directory added. 3. Dashboard directory added