chore(backstage): add catalog-info.yaml config file (#140)

* Add catalog-info.yaml config file

* Update catalog-info.yaml

Author: shubhamp-sf

catalog-info.yaml

@@ -0,0 +1,23 @@
+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: loopback4-notifications
+  annotations:
+    github.com/project-slug: sourcefuse/loopback4-notifications
+  namespace: arc
+  description: LoopBack 4 extension for setting up various notification mechanisms in loopback4 application, vis-a-vis, Push notification, SMS notification, Email notification.
+  tags:
+    - notifications
+    - email
+    - sms
+    - loopback
+    - extension
+  links:
+    - url: https://npmjs.com/package/loopback4-notifications
+      title: NPM Package
+    - url: https://loopback.io/doc/en/lb4/Extending-LoopBack-4.html#overview
+      title: Extending LoopBack
+spec:
+  type: component
+  lifecycle: production
+  owner: sourcefuse