Update uplugin schema from draft-04 to draft-07 (SchemaStore#5112)

* Update uplugin schema from draft-04 to draft-07

* Add GameFeature specific property
* Add simple URL check pattern

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: drpsyko101

src/schemas/json/uplugin.json

@@ -1,5 +1,6 @@
 {
-  "$schema": "http://json-schema.org/draft-04/schema#",
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "https://json.schemastore.org/uplugin.json",
   "additionalProperties": false,
   "definitions": {
     "BuildConfiguration": {
@@ -225,11 +226,21 @@
         }
       },
       "required": ["Enabled", "Name"]
+    },
+    "URL": {
+      "type": "string",
+      "format": "uri",
+      "pattern": "^https?://"
     }
   },
   "description": "Descriptor for plugins. Contains all the information contained within a `.uplugin` file.",
-  "id": "https://json.schemastore.org/uplugin.json",
   "properties": {
+    "BuiltInInitialFeatureState": {
+      "description": "Determine the initial feature state for a built-in plugin",
+      "type": "string",
+      "enum": ["Installed", "Registered", "Loaded", "Active"],
+      "default": "Active"
+    },
     "CanContainContent": {
       "description": "Can this plugin contain content?",
       "type": "boolean",
@@ -290,16 +301,16 @@
       "type": "string"
     },
     "CreatedByURL": {
-      "description": "Hyperlink URL string for the company or individual who created this plugin. This is optional.",
-      "type": "string"
+      "$ref": "#/definitions/URL",
+      "description": "Hyperlink URL string for the company or individual who created this plugin. This is optional."
     },
     "Description": {
       "description": "Description of the plugin",
       "type": "string"
     },
     "DocsURL": {
-      "description": "Documentation URL string.",
-      "type": "string"
+      "$ref": "#/definitions/URL",
+      "description": "Documentation URL string."
     },
     "EditorCustomVirtualPath": {
       "description": "Optional custom virtual path to display in editor to better organize.",