YNGJ-1058: add to github actions and portal

.github/workflows/aether_observatory.yml

@@ -0,0 +1,13 @@
+name: aether_observatory
+
+on:
+  push:
+
+jobs:
+  ruby:
+    uses: powerhome/github-actions-workflows/.github/workflows/ruby-gem.yml@main
+    with:
+      package: ${{ github.workflow }}
+      workdir: "packages/${{ github.workflow }}"
+      ruby: '["3.0","3.1","3.2","3.3"]'
+    secrets: inherit

packages/aether_observatory/aether_observatory.gemspec

@@ -28,8 +28,8 @@ Gem::Specification.new do |spec|
   end
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "activemodel", "~> 6.0", ">= 6.0.6.1"
-  spec.add_dependency "activesupport", "~> 6.0", ">= 6.0.6.1"
+  spec.add_dependency "activemodel", ">= 6.0.6.1"
+  spec.add_dependency "activesupport", ">= 6.0.6.1"
   spec.add_development_dependency "appraisal", "~> 2.5.0"
 
   spec.add_development_dependency "bundler", "~> 2.1"

portal.yml

@@ -1,6 +1,23 @@
 ---
 apiVersion: backstage.io/v1alpha1
 kind: Component
+metadata:
+  name: aether_observatory
+  title: Aether Observatory
+  description: >-
+    Aether Observatory provides a event subscription system, based on
+    ActiveSupport::Notification.
+  annotations:
+    backstage.io/techdocs-ref: dir:packages/audit_tracker
+spec:
+  type: library
+  owner: unbreakable
+  lifecycle: production
+  subcomponentOf: power-tools
+  system: power-application-framework
+---
+apiVersion: backstage.io/v1alpha1
+kind: Component
 metadata:
   name: power-tools
   title: PowerTools