[x] When opening the user drop down menu and selecting "Manage Spots", it should navigate the user to the spot management page which shows the the list of all the spots created by the user.
[x] The spot management page should contain a heading with the text "Manage Spots".
[x] If no spots have been posted yet by the user, show a "Create a New Spot" link, which links to the new spot form page, instead of the spot list.
[x] The spot management page should contain a spot tile list similar to the one in the landing page (thumbnail image, location, rating, price).
[x] Each spot in the spot tile list on the spot management page should contain an additional two buttons, "Update" and "Delete" buttons, to the right of the price.