Fix #242 - Adds support for PSCustomObject

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PR Summary

Adds support for dealing with native PSObject instances (current code only deals with native object types).

• Extracts nested 'cached member' classes to seperate files
• Adds interface and abstract base
• Adds implementation for PSObject properties

Fixes #242

Test JSON

$Values = @'
{
	"Candidate":
	{
		"Name": {
			"3rd": "Surname",
			"1st": "Forename",
			"2nd": "Middle name"
		},
		"Date of Birth": "+1582-10-15",
		"E-mail Address": "mailTo:[email protected]",
		"Mobile Telephone Number": "tel:+00-0000-000000",
		"Blood Group": "" // Unknown
	},
	"Mother":
	{
		"Name": {
			"3rd": "Surname",
			"1st": "Forename",
			"2nd": "Middle name"
		},
		"Date of Birth": "+1582-10-15",
		"E-mail Address": "mailTo:[email protected]",
		"Mobile Telephone Number": "tel:+00-0000-000000",
	},
	"Father":
	{
		"Name": {
			"3rd": "Surname",
			"1st": "Forename",
			"2nd": "Middle name"
		},
		"Date of Birth": "+1582-10-15",
		"E-mail Address": "mailTo:[email protected]",
		"Mobile Telephone Number": "tel:+00-0000-000000",
	},
}
'@

Test JSON 2

Test JSON 2 loaded in Show-ObjectTree

$Values = @'
{
  "name": "Root",
  "value": "Root Value",
  "children": [
    {
      "name": "Child 1",
      "value": "Child 1 Value",
      "children": [
        {
          "name": "Grandchild 1",
          "value": "Grandchild 1 Value",
          "children": [
            {
              "name": "Great-Grandchild 1",
              "value": "Great-Grandchild 1 Value",
              "attributes": {
                "attribute1": "Value1",
                "attribute2": "Value2"
              },
              "relatedObjects": [
                {
                  "id": 123,
                  "name": "Related Object 1"
                },
                {
                  "id": 124,
                  "name": "Related Object 2"
                }
              ]
            },
            {
              "name": "Great-Grandchild 2",
              "value": "Great-Grandchild 2 Value",
              "attributes": {
                "attribute1": "Value1",
                "attribute2": "Value2"
              },
              "relatedObjects": [
                {
                  "id": 125,
                  "name": "Related Object 3"
                }
              ]
            }
          ]
        },
        {
          "name": "Grandchild 2",
          "value": "Grandchild 2 Value",
          "attributes": {
            "attribute1": "Value1",
            "attribute2": "Value2"
          }
        }
      ]
    },
    {
      "name": "Child 2",
      "value": "Child 2 Value",
      "children": [
        {
          "name": "Grandchild 3",
          "value": "Grandchild 3 Value",
          "attributes": {
            "attribute1": "Value1",
            "attribute2": "Value2"
          }
        },
        {
          "name": "Grandchild 4",
          "value": "Grandchild 4 Value",
          "attributes": {
            "attribute1": "Value1",
            "attribute2": "Value2"
          }
        }
      ],
      "arrayProperty": [1, 2, 3, 4]
    },
    {
      "name": "Child 3",
      "value": "Child 3 Value",
      "attributes": {
        "attribute1": "Value1",
        "attribute2": "Value2"
      },
      "arrayProperty": ["a", "b", "c"]
    }
  ]
}

'@

How to manually test with the above JSON

Invoke-Build Build -ModuleName Microsoft.PowerShell.ConsoleGuiTools
pwsh
import-Module ./module/Microsoft.PowerShell.ConsoleGuiTools
$Values = @'
{
   ...
}
'@
$Values | ConvertFrom-JSON | Show-ObjectTree

A new pwsh window is launched to avoid conflict of modules. Exit after test with exit.

PR Context