Added alpha support for new backend system

Signed-off-by: Andre Wanlin <67169551+awanlin@users.noreply.github.com>

plugins/azure-devops-backend/src/alpha.ts

@@ -0,0 +1,16 @@
+/*
+ * Copyright 2023 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.
+ */
+export { azureDevOpsPlugin } from './plugin';

plugins/azure-devops-backend/src/plugin.ts

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+/*
+ * Copyright 2023 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 { loggerToWinstonLogger } from '@backstage/backend-common';
+import {
+  coreServices,
+  createBackendPlugin,
+} from '@backstage/backend-plugin-api';
+import { createRouter } from './service/router';
+
+/**
+ * Azure DevOps backend plugin
+ *
+ * @alpha
+ */
+export const azureDevOpsPlugin = createBackendPlugin({
+  pluginId: 'azure-devops',
+  register(env) {
+    env.registerInit({
+      deps: {
+        config: coreServices.config,
+        logger: coreServices.logger,
+        reader: coreServices.urlReader,
+        httpRouter: coreServices.httpRouter,
+      },
+      async init({ config, logger, reader, httpRouter }) {
+        httpRouter.use(
+          await createRouter({
+            config,
+            logger: loggerToWinstonLogger(logger),
+            reader,
+          }),
+        );
+      },
+    });
+  },
+});