Add _connector API definition

Author: jedrazb

output/openapi/elasticsearch-serverless-openapi.json

@@ -0,0 +1,27 @@
+{
+  "connector.check_in": {
+    "documentation": {
+      "url": "https://www.elastic.co/guide/en/enterprise-search/current/connectors.html",
+      "description": "Updates the last_seen timestamp in the connector document."
+    },
+    "stability": "experimental",
+    "visibility": "public",
+    "headers": {
+      "accept": ["application/json"]
+    },
+    "url": {
+      "paths": [
+        {
+          "path": "/_connector/{connector_id}/_check_in",
+          "methods": ["PUT"],
+          "parts": {
+            "connector_id": {
+              "type": "string",
+              "description": "The unique identifier of the connector to be updated."
+            }
+          }
+        }
+      ]
+    }
+  }
+}

output/schema/schema.json

@@ -0,0 +1,27 @@
+{
+  "connector.delete": {
+    "documentation": {
+      "url": "https://www.elastic.co/guide/en/enterprise-search/current/connectors.html",
+      "description": "Deletes a connector."
+    },
+    "stability": "experimental",
+    "visibility": "public",
+    "headers": {
+      "accept": ["application/json"]
+    },
+    "url": {
+      "paths": [
+        {
+          "path": "/_connector/{connector_id}",
+          "methods": ["DELETE"],
+          "parts": {
+            "connector_id": {
+              "type": "string",
+              "description": "The unique identifier of the connector to be deleted."
+            }
+          }
+        }
+      ]
+    }
+  }
+}