Create rubyonrails.yml

initial install ruby on rails CI workflow. 
replaced standard test suite with RSpec.

.github/workflows/rubyonrails.yml

@@ -0,0 +1,67 @@
+# This workflow uses actions that are not certified by GitHub.  They are
+# provided by a third-party and are governed by separate terms of service,
+# privacy policy, and support documentation.
+#
+# This workflow will install a prebuilt Ruby version, install dependencies, and
+# run tests and linters.
+name: "Ruby on Rails CI"
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    services:
+      postgres:
+        image: postgres:11-alpine
+        ports:
+          - "5432:5432"
+        env:
+          POSTGRES_DB: rails_test
+          POSTGRES_USER: rails
+          POSTGRES_PASSWORD: password
+    env:
+      RAILS_ENV: test
+      DATABASE_URL: "postgres://rails:password@localhost:5432/rails_test"
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      # Add or replace dependency steps here
+      - name: Install Ruby and gems
+        uses: ruby/setup-ruby@78c01b705fd9d5ad960d432d3a0cfa341d50e410 # v1.179.1
+        with:
+          bundler-cache: true
+      # Add or replace database setup steps here
+      - name: Set up database schema
+        run: bin/rails db:schema:load
+      # Build and test with RSpec
+      - name: Build and test with RSpec
+        env:
+          PG_DATABASE: postgres
+          PG_HOST: localhost
+          PG_USER: postgres
+          PG_PASSWORD: password
+          RAILS_ENV: test
+        run: |
+          bundle exec rspec spec
+
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Install Ruby and gems
+        uses: ruby/setup-ruby@78c01b705fd9d5ad960d432d3a0cfa341d50e410 # v1.179.1
+        with:
+          bundler-cache: true
+      - name: Generate binstubs
+        run: bundle binstubs bundler-audit brakeman rubocop
+      # Add or replace any other lints here
+      - name: Security audit dependencies
+        run: bin/bundler-audit --update
+      - name: Security audit application code
+        run: bin/brakeman -q -w2
+      - name: Lint Ruby files
+        run: bin/rubocop --parallel