feat: add OrchestratorCI workflow

.github/workflows/orchestratorci.yml

@@ -0,0 +1,24 @@
+name: OrchestratorCI
+
+on:
+  workflow_call:
+    inputs:
+      spec:
+        required: true
+        type: string
+        default: "x86"
+
+jobs:
+  main-job:
+    runs-on: gitea-orchestrator
+    steps:
+      - name: Provisioning
+        run: |
+          echo "Provisioning with spec: ${{ inputs.spec }}"
+  post-job:
+    runs-on: gitea-orchestrator
+    needs: main-job
+    if: always()
+    steps:
+      - name: Cleanup
+        run: echo "Cleaning up resources"