add cool

ci.yaml

@@ -26,6 +26,16 @@ on:
           # references a build defined in build.yaml
           build_name: keydb-docker-build
           arch_types: ["amd64", "arm64"]
+  # Doc: go/cool-guide
+  cool:
+    workflows:
+      - workflow_type: backend_workflow
+        build_name: keydb-build
+        arch_types: ["amd64", "arm64"]
+      - workflow_type: backend_workflow
+        # references a build defined in build.yaml
+        build_name: keydb-docker-build
+        arch_types: ["amd64", "arm64"]
 
 # below defines which branch is release branch / release tag
 machamp: