Add authentication

[LedruRollin]

• UI improvements :

  • Add masonry layout for main view, using react-masonry-css
  • Add media slider to display search targets with multiple medias, using react-awesome-slider
  • Add animation for close panel button

• Add JWT authentication following authentication support by backend (cf PR) :

  • Add a login view :

    

  • Add JWT token retrieving from backend via Redux state management abilities. Add logic to save this token both in Redux store and in localStorage.

  • Add HOC to properly redirect to login view if not authenticated