EDR CoverageJSON conformance fixes: time axis and demo data

[pzaborowski]

Overview

changes to confirm to https://schemas.opengis.net/covjson/1.0/coveragejson.json

• time axis changed to values (was interval)
• time axis first in range as expected by https://github.com/Reading-eScience-Centre/leaflet-coverage and dependancies
• parameter description as object - worked with JS visualisation but not validator and covjson playground
• range dataType as float (was number and allowed are float, integer, string) - worked with JS visualisation but not validator and covjson playground

Other:

• typo in edr/query.html template causing issues with first parameter layer
• • Changes from https://github.com/geopython/pygeoapi/pull/1811 included

Changes shall solve issues using https://covjson.org libraries, also on pygeoapi demo site.

Related Issue / discussion

mainly https://github.com/geopython/pygeoapi/issues/1833 but pull depends on this https://github.com/geopython/pygeoapi/issues/1782

Additional information

changes is not fully backward compatible with potential non-standard client using time as interval (which is breaking coveragejson-schema).

In addition to code changes, coads_sst.nc is fixed. Demo file had COADSX shifted west but not data which looks like this:

Dependency policy (RFC2)

• [X] I have ensured that this PR meets RFC2 requirements

Updates to public demo

• [X] I have ensured that breaking changes to the pygeoapi master demo server have been addressed
  • [ ] https://github.com/geopython/demo.pygeoapi.io/blob/master/services/pygeoapi_master/local.config.yml

Contributions and licensing

(as per https://github.com/geopython/pygeoapi/blob/master/CONTRIBUTING.md#contributions-and-licensing)

• [ ] I'd like to contribute [feature X|bugfix Y|docs|something else] to pygeoapi. I confirm that my contributions to pygeoapi will be compatible with the pygeoapi license guidelines at the time of contribution
• [X] I have already previously agreed to the pygeoapi Contributions and Licensing Guidelines

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