adds the argo workflow to run terraform templates

examples/terraform-integrations/README.md

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+# Terraform Integrations for Backstage
+
+This is an experimental effort allowing the users of the idpBuilder to run terraform modules using the tooling in place.
+
+This stack add-on goes together with the work done under [backstage-terraform-integrations](https://github.com/cnoe-io/backstage-terraform-integrations/).
+Once the add-on is enabled, the user will need to follow the setup discussed in the [backstage-terraform-integrations](https://github.com/cnoe-io/backstage-terraform-integrations/) repo for the remainder of the configuration, and terraform integrations should work.
+
+This add-on has a dependency to the [reference implementation][../ref-implementation/]. In order to enable the add-on with 
+idpBuilder run the following:
+
+``` 
+./idpbuilder create --use-path-routing --package-dir examples/ref-implementation --package-dir examples/terraform-integrations 
+```

examples/terraform-integrations/terraform-workflows-templates.yaml

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+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: terraform-argo-workflows-templates
+  namespace: argocd
+  labels:
+    env: dev
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
+spec:
+  project: default
+  source:
+    repoURL: https://github.com/cnoe-io/backstage-terraform-integrations
+    targetRevision: main
+    path: argo-workflows-templates/dev
+  destination:
+    server: "https://kubernetes.default.svc"
+    namespace: argo
+  syncPolicy:
+    automated:
+      prune: true
+    syncOptions:
+      - CreateNamespace=true
+    automated:
+      selfHeal: true