Resolve "As a user I would like to see a map of the landmarks, so that I can figure out where to go"

Closes #52 (closed) All goals and tasks completed. Due to technical difficulties I forewent a map api and instead chose a google maps iframe. This is a working alternative to the initial goal with the same desired outcome for users as described within the tasks.

src/main/java/Team5/SmartTowns/data/LocationsCoordinatesRepository.java

-package Team5.SmartTowns.data;
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-import java.util.List;
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-public interface LocationsCoordinatesRepository {
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-    List<LocationsCoordinates> getAllLocationCoords();
-    void addLocationCoord(LocationsCoordinates locCoord);
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-}