chore: add catalog-info.yaml (#7)

For referencing project in sendbird's backstage
fixes: https://sendbird.atlassian.net/browse/UIKIT-3112

Author: Sravan S

catalog-info.yaml

@@ -0,0 +1,12 @@
+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: SendBird-Desk-SDK-JavaScript
+  description: Desk for javascript
+  annotations:
+    github.com/project-slug: sendbird/SendBird-Desk-SDK-JavaScript
+spec:
+  type: library
+  lifecycle: production
+  owner: dep-client-platform
+  system: sendbird-desk