As a customer I want to browse departures

[hyber1z0r]

So that I can book a departure

[hyber1z0r]

• [x] Create method getAllRouteSummaries that returns a list of routes
• [x] Test method getAllRouteSummaries
• [x] Create method getDepartures with parameters deparetureDate of type LocalDate and route of type RouteIdentifier that returns a list for departures
• [x] Enrich sampledata to make testing easier
• [x] Test method getDepartures