Add styling

• Implement Material-UI
• Remove Bootstrap
• Fix login-page
• Learn about Material-UI

added Client label

added In progress label

assigned to @albhe428

assigned to @viclo211

changed milestone to %Vecka 8

changed the description

created branch 15-add-styling to address this issue

mentioned in commit 1426cf58

mentioned in commit 46b550e3

mentioned in merge request !15 (merged)

mentioned in commit ce314342

closed with merge request !15 (merged)