Add json path implementation to access objects

A json path implementation to be able to process advanced queries
in templates. This will allow us to create complex queries to filter
objects from the phpDocumentor AST and render them into templates.

Author: jaapio

.gitignore

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+vendor/*

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2010 Mike van Riel
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

composer.json

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+{
+    "name": "phpdocumentor/json-path",
+    "description": "Access php objects with json path expressions",
+    "type": "library",
+    "license": "MIT",
+    "autoload": {
+        "psr-4": {
+            "phpDocumentor\\JsonPath\\": "src/"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "phpDocumentor\\JsonPath\\": "tests/unit"
+        }
+    },
+    "authors": [
+        {
+            "name": "jaapio",
+            "email": "[email protected]"
+        }
+    ],
+    "require": {
+        "php": "7.4|8.0.*|8.1.*",
+        "parsica-php/parsica": "^0.8.1",
+        "symfony/property-access": "^5.4"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^9.5"
+    },
+    "config": {
+        "platform": {
+            "php": "7.4"
+        }
+    }
+}