Add schemas 3.1.0-2024-04 and XYZ-3.1.0-2024-04

Add schemas 3.1.0-2024-04 and XYZ-3.1.0-2024-04 addressing #15 , #17, #18 and #19.

Please note that this update only affects schemas for the version 3.1.0 IHO dialect (3.1.0-2024-04 and XYZ-3.1.0-2024-04). The 3.0.0 NOAA dialect (3.0.0-2023-08 and XYZ-3.0.0-2023-08) are unchanged. The previous schema versions of the 3.1.0 IHO dialect (3.1.0-2023-08 and XYZ-3.1.0-2023-08) are retained for backwards compatibility.

Add XYZ schema and validator for CSB 3.1.0

Adds XYZ schema and validator for CSB 3.1.0 as described in #12.

Schema 2023-08

Schema version 2023-08 includes changes described in the following issues:

• #7
• #8

Create back port of 3.0.0 CSB schema

• Create back port of 3.0.0 CSB schema to match early examples of B12 v3.0.0 in use at DCDB and documented here:
  • https://www.ngdc.noaa.gov/iho/SampleCSBFileFormats.pdf
  • https://www.ngdc.noaa.gov/iho/example_csb_geojson_file.geojson
• Add integration test to test csbschema validate command line tool

Rename 3.0.0 schema to 3.1.0; Updates to schema for 3.1.0 to allow an array of processing elements

• Rename 3.0.0 schema to 3.1.0. Rename 3.0.0bis schema to 3.2.0-BETA. Changes to 3.1.0 schema to enable compatibility with DCDB ingest: duplicate /properties/trustedNode/uniqueVesselID as /properties/platform/uniqueID; rename /properties/platform/sensorDescriptions to /properties/platform/sensors.
• Updates to schema for 3.1.0 to allow an array of processing elements, each keyed with a recognition name and timestamp.
• Make platform sensor descriptions a optional attribute in CSB 3.1 schema
• Modify schema to allow UUID portion of vessel IDs to contain uppercase as well as lowercase letters; Make 'contributorComments' attribute of platform metadata to be optional
• More details: ee33a9f