Booking: Api (Room Images)

[Anders164a]

Add endpoint for creating, getting and deletion of room images - Should be able to return a list of room images. With name, room_type_id and id

• Error handling should be proporly displayed, if any should occur.
• Consider the possibility of an error interface that one or more endpoints could call, for redundancy

Dependent on #27

Hotel Images:

• Browse (Index)
• Read (Show)
• Add
• Delete