[FEATURE] GetBy<Key|Name|Slug>

Description

Edgio's REST API does not support get by on its get methods, and sometimes the necessary ID may not be available to perform a GET method by entity's ID. Getting the entity by a human readable parameter may prove useful.

Proposed Solution

As a developer, I want to be able to get an entity by its name/slug/key, so that I can perform my operations based on data other than Edgio entity's IDs

Alternatives / Workarounds

Perform a full scope set of GET calls (potentially Org > Property > Environment > Environment Variable), and filter each manually.

Acceptance Criteria

[x] Implement a function that gets a complete list of a given entity, and filter through it based on entity's name/slug/key, for each entity
[x] Match between needle and haystack should be an exact match
[x] The function should return only one entity if an entity is found (first match)
[x] The function should return nil if no entity was returned from the filter
[x] Properties should be filtered by slug key
[x] Environment should be filtered by name key
[x] Environment Variables should be filtered by key key
[x] The function should return the entity's data in a JSON format
[x] Unit test the new functionality
[x] Document functionality's usage

Additional Context

N/A

References

N/A

Code of Conduct

[x] I agree to follow this project's Code of Conduct

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42dx / edgio-go-sdk