Relicense to CC-0 and add meta data for USGS release (#439)

This software has been approved for release by the U.S. Geological Survey

(USGS). Although the software has been subjected to rigorous review, the USGS

reserves the right to update the software as needed pursuant to further analysis

and review. No warranty, expressed or implied, is made by the USGS or the U.S.

Government as to the functionality of the software and related material nor

shall the fact of release constitute any such warranty. Furthermore, the

software is released on condition that neither the USGS nor the U.S. Government

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unauthorized use.

This is free and unencumbered software released into the public domain.

Anyone is free to copy, modify, publish, use, compile, sell, or

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For more information, please refer to <http://unlicense.org>

Unless otherwise noted, this project is in the public domain in the

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It contains materials that originally came from the United States

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Interior.  For more information on their copyright policies, see

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It also contains materials from contributors that have waived their

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Additionally, the authors waive copyright and related rights in the

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CC0 1.0 Universal Summary

-------------------------

This is a human-readable summary of the [Legal Code (read the full

text)](https://creativecommons.org/publicdomain/zero/1.0/legalcode).

### No Copyright

The authors have associated their contributions to the ISIS project

with this deed, and have dedicated the work to the public domain

by waiving all of their rights to the work worldwide under copyright

law, including all related and neighboring rights, to the extent

allowed by law.

You can copy, modify, distribute and perform the work, even for

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### Other Information

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extent permitted by applicable law. When using or citing the work,

you should not imply endorsement by the authors.

[

  {

    "name": "ale",

    "organization": "U.S. Geological Survey",

    "description": "GitHub respository for the Abstraction Layer for Ephemerides package",

    "version": "0.8.7",

    "status": "Production",

    "permissions": {

      "usageType": "openSource",

      "licenses": [

        {

          "name": "Public Domain, CC0-1.0",

          "URL": "https://github.com/USGS-Astrogeology/ale/blob/master/LICENSE.md"

        }

      ]

    },

    "homepageURL": "https://github.com/USGS-Astrogeology/ale/releases/tag/0.8.7",

    "downloadURL": "https://github.com/USGS-Astrogeology/ale/archive/refs/tags/0.8.7.zip",

    "disclaimerURL": "https://github.com/USGS-Astrogeology/ale/blob/master/LICENSE.md",

    "repositoryURL": "https://github.com/USGS-Astrogeology/ale",

    "vcs": "git",

    "laborHours": 40,

    "tags": [

      "Planetary",

      "Remote Sensing",

      "Data Processing",

      "Ephemerides",

      "Community Sensor Model"

    ],

    "languages": [

      "C++",

      "Python"

    ],

    "contact": {

      "name": "Jesse Mapel",

      "email": "jmapel@usgs.gov"

    },

    "date": {

      "metadataLastUpdated": "2022-03-04"

    }

  }

]