openapi: Fixed SwaggerHub warnings for numberMatched and numberReturned

- The numberMatched.yaml and numberReturned.yaml files should have been referenced in the collections response
- Using elements rather than features and items to avoid confusion with OGC API - Features "items"

Author: jerstlouis

openapi/ogcapi-maps-1.bundled.json

@@ -1522,14 +1522,10 @@
             "format": "date-time"
           },
           "numberMatched": {
-            "type": "integer",
-            "minimum": 0,
-            "example": 1
+            "$ref": "#/components/schemas/numberMatched"
           },
           "numberReturned": {
-            "type": "integer",
-            "minimum": 0,
-            "example": 1
+            "$ref": "#/components/schemas/numberReturned"
           },
           "collections": {
             "type": "array",
@@ -2087,13 +2083,13 @@
         "example": "2017-08-17T08:05:32Z"
       },
       "numberReturned": {
-        "description": "The number of items in the response.\nA server may omit this information, if the information about the \nnumber of items is not known or difficult to compute.\nIf the value is provided, the value shall be identical to the number\nof items in the response.",
+        "description": "The number of elements in the response.\nA server may omit this information, if the information about the\nnumber of elements is not known or difficult to compute.\nIf the value is provided, the value shall be identical to the number\nof elements in the response.",
         "type": "integer",
         "minimum": 0,
         "example": 10
       },
       "numberMatched": {
-        "description": "The number of features of the feature type that match the selection\nparameters like `bbox`.",
+        "description": "The number of elements in the response that match the selection parameters like `bbox`.",
         "type": "integer",
         "minimum": 0,
         "example": 127

openapi/schemas/common-geodata/collections.yaml

@@ -11,13 +11,9 @@ properties:
     type: string
     format: date-time
   numberMatched:
-    type: integer
-    minimum: 0
-    example: 1
+    $ref: 'numberMatched.yaml'
   numberReturned:
-    type: integer
-    minimum: 0
-    example: 1
+    $ref: 'numberReturned.yaml'
   collections:
     type: array
     items:

openapi/schemas/common-geodata/numberMatched.yaml

@@ -1,6 +1,5 @@
 description: |-
-  The number of features of the feature type that match the selection
-  parameters like `bbox`.
+  The number of elements in the response that match the selection parameters like `bbox`.
 type: integer
 minimum: 0
-example: 127
+example: 127

openapi/schemas/common-geodata/numberReturned.yaml

@@ -1,9 +1,9 @@
 description: |-
-  The number of items in the response.
-  A server may omit this information, if the information about the 
-  number of items is not known or difficult to compute.
+  The number of elements in the response.
+  A server may omit this information, if the information about the
+  number of elements is not known or difficult to compute.
   If the value is provided, the value shall be identical to the number
-  of items in the response.
+  of elements in the response.
 type: integer
 minimum: 0
 example: 10