Add Tides Controller and Tests

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Acceptance Criteria:

• There is TidesController.java file in the src/main/java/edu/ucsb/cs156/spring/backend/controllers directory.
• TidesController.java implements a class that implements an API endpoint that takes in the necessary
  parameters, calls the TidesQueryService, and returns the results.
• The file TidesController.java file make appropriate use of the
  annotations @Tag, @Operation and @Parameter to document the API.
• The controller endpoint shows up on the Swagger UI page.
• There is a TidesControllerTests.java file in the src/test/java/edu/ucsb/cs156/spring/backend/controllers directory.
• The tests in TidesControllerTests provide 100% coverage of TidesController for both jacoco and pitest.

Details

See the assignment description at https://ucsb-cs156.github.io/f23/lab/team01 for details.