Added config schema to the Splunk On Call plugin.

Signed-off-by: Tavis Aitken <taitken@splunk.com>

.changeset/fresh-vans-nail.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-splunk-on-call': patch
+---
+
+Added config schema to expose `splunkOnCall.eventsRestEndpoint` config option to the frontend

plugins/splunk-on-call/package.json

@@ -59,6 +59,8 @@
     "node-fetch": "^2.6.1"
   },
   "files": [
-    "dist"
-  ]
+    "dist",
+    "schema.d.ts"
+  ],
+  "configSchema": "schema.d.ts"
 }

plugins/splunk-on-call/schema.d.ts

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2021 Spotify AB
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export interface Config {
+  /**
+   * Splunk On Call Plugin specific configs
+   */
+  splunkOnCall: {
+    /**
+     * @visibility frontend
+     */
+    eventsRestEndpoint: string;
+  };
+}