Improve example specs (zircote#990)

* Improve exmple specs
* Add spectral config file for spectral v6

Author: DerManoMann

.spectral.yaml

@@ -0,0 +1,2 @@
+extends:
+    - spectral:oas

Examples/example-object/example-object.php

@@ -65,7 +65,7 @@
  *                 @OA\Schema(type="boolean")
  *             },
  *             @OA\Examples(example="result", value={"success": true}, summary="An result object."),
- *             @OA\Examples(example="bool", value="false", summary="A boolean value."),
+ *             @OA\Examples(example="bool", value=false, summary="A boolean value."),
  *         )
  *     )
  * )

Examples/example-object/example-object.yaml

@@ -58,7 +58,7 @@ paths:
                   value: { success: true }
                 bool:
                   summary: 'A boolean value.'
-                  value: 'false'
+                  value: false
 components:
   schemas:
     Result:
@@ -69,4 +69,3 @@ components:
         error:
           type: string
       type: object
-

Examples/petstore-3.0/controllers/Pet.php

@@ -80,12 +80,9 @@ public function updatePet()
      *         required=true,
      *         explode=true,
      *         @OA\Schema(
-     *             type="array",
      *             default="available",
-     *             @OA\Items(
-     *                 type="string",
-     *                 enum = {"available", "pending", "sold"},
-     *             )
+     *             type="string",
+     *             enum = {"available", "pending", "sold"},
      *         )
      *     ),
      *     @OA\Response(

Examples/petstore-3.0/models/Order.php

@@ -82,7 +82,7 @@ class Order
 
     /**
      * @OA\Property(
-     *     default="false",
+     *     default=false,
      *     format="int64",
      *     description="Complete status",
      *     title="Complete status",

Examples/petstore-3.0/petstore-3.0.yaml

@@ -64,14 +64,12 @@ paths:
           required: true
           explode: true
           schema:
-            type: array
-            items:
-              type: string
-              enum:
-                - available
-                - pending
-                - sold
+            type: string
             default: available
+            enum:
+              - available
+              - pending
+              - sold
       responses:
         '200':
           description: 'successful operation'
@@ -580,7 +578,7 @@ components:
           description: 'Complete status'
           type: boolean
           format: int64
-          default: 'false'
+          default: false
       type: object
     Pet:
       title: 'Pet model'