Added config definition file

Signed-off-by: Florian JUDITH <florian.judith.b@gmail.com>

plugins/lighthouse-backend/config.d.ts

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2020 The Backstage Authors
+ *
+ * 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.
+ */
+
+import { TaskScheduleDefinitionConfig } from '@backstage/backend-tasks';
+import { HumanDuration } from '@backstage/types';
+
+export interface Config {
+  /**
+   * Configuration options for the Lighthouse backend plugin.
+   */
+  lighthouse?: {
+    /**
+     * Schedule of the audit
+     */
+    schedule?: HumanDuration | TaskScheduleDefinitionConfig;
+  };
+}

plugins/lighthouse-backend/package.json

@@ -24,7 +24,8 @@
     "lighthouse"
   ],
   "files": [
-    "dist"
+    "dist",
+    "config.d.ts"
   ],
   "scripts": {
     "build": "backstage-cli package build",