Core and Applicator vocabulary meta-schemas

These are the single-vocabulary meta-schemas.  In a future
commit, the regular "schema" and "hyper-schema" meta-schemas
will be updated to reference these, and use "$vocabulary".

This commit just establishes these two meta-schemas on their own.

Author: handrews

applicator.json

@@ -0,0 +1,60 @@
+{
+    "$schema": "http://json-schema.org/draft-08/schema#",
+    "$id": "https://json-schema.org/draft-08/applicator",
+    "$recursiveAnchor": true,
+    "$vocabulary": {
+        "https://json-schema.org/draft-08/vocabularies/applicator": true
+    },
+
+    "title": "Applicator vocabulary meta-schema",
+    "$defs": {
+        "schemaArray": {
+            "type": "array",
+            "minItems": 1,
+            "items": { "$recursiveRef": "#" }
+        }
+    },
+    "properties": {
+        "additionalItems": { "$recursiveRef": "#" },
+        "unevaluatedItems": { "$recursiveRef": "#" },
+        "items": {
+            "anyOf": [
+                { "$recursiveRef": "#" },
+                { "$ref": "#/$defs/schemaArray" }
+            ]
+        },
+        "contains": { "$recursiveRef": "#" },
+        "additionalProperties": { "$recursiveRef": "#" },
+        "unevaluatedProperties": {
+            "type": "object",
+            "additionalProperties": {
+                "$recursiveRef": "#"
+            }
+        },
+        "properties": {
+            "type": "object",
+            "additionalProperties": { "$recursiveRef": "#" },
+            "default": {}
+        },
+        "patternProperties": {
+            "type": "object",
+            "additionalProperties": { "$recursiveRef": "#" },
+            "propertyNames": { "format": "regex" },
+            "default": {}
+        },
+        "dependentSchemas": {
+            "type": "object",
+            "additionalProperties": {
+                "$recursiveRef": "#"
+            }
+        },
+        "propertyNames": { "$recursiveRef": "#" },
+        "if": { "$recursiveRef": "#" },
+        "then": { "$recursiveRef": "#" },
+        "else": { "$recursiveRef": "#" },
+        "allOf": { "$ref": "#/$defs/schemaArray" },
+        "anyOf": { "$ref": "#/$defs/schemaArray" },
+        "oneOf": { "$ref": "#/$defs/schemaArray" },
+        "not": { "$recursiveRef": "#" }
+    }
+}

core.json

@@ -0,0 +1,50 @@
+{
+    "$schema": "http://json-schema.org/draft-08/schema#",
+    "$id": "https://json-schema.org/draft-08/core",
+    "$recursiveAnchor": true,
+    "$vocabulary": {
+        "https://json-schema.org/draft-08/vocabularies/core": true
+    },
+
+    "title": "Core vocabulary meta-schema",
+    "type": ["object", "boolean"],
+    "properties": {
+        "$id": {
+            "type": "string",
+            "format": "uri-reference"
+        },
+        "$schema": {
+            "type": "string",
+            "format": "uri"
+        },
+        "$ref": {
+            "type": "string",
+            "format": "uri-reference"
+        },
+        "$recursiveRef": {
+            "type": "string",
+            "format": "uri-reference"
+        },
+        "$recursiveAnchor": {
+            "type": "boolean"
+        },
+        "$vocabulary": {
+            "type": "object",
+            "propertyNames": {
+                "type": "string",
+                "format": "uri"
+            },
+            "additionalProperties": {
+                "type": "boolean"
+            }
+        },
+        "$comment": {
+            "type": "string"
+        },
+        "$defs": {
+            "type": "object",
+            "additionalProperties": { "$recursiveRef": "#" },
+            "default": {}
+        }
+    }
+}