feat(IPCEICIS-1835): ✨ Initial commit

Provided a basic example configuration for a new catalog entity

catalog-entity.yaml

@@ -0,0 +1,11 @@
+apiVersion: backstage.io/v1alpha1
+kind: ApiGatewayDefinition
+metadata:
+  name: example-api-gateway
+  description: An example API gateway definition
+spec:
+  type: openapi
+  lifecycle: production
+  owner: team-api
+  definition:
+    $text: https://example.com/api-spec.yaml

catalog-info.yaml

@@ -0,0 +1,8 @@
+apiVersion: backstage.io/v1alpha1
+kind: Location
+metadata:
+  name: custom-entities
+  description: Our custom entity definitions
+spec:
+  targets:
+    - ./custom-entity.yaml